MAX15006AASA/V+T [MAXIM]
Fixed Positive LDO Regulator, 3.3V, BICMOS, PDSO8,;
| 型号： | MAX15006AASA/V+T |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Fixed Positive LDO Regulator, 3.3V, BICMOS, PDSO8, 稳压器 |
| 文件： | 总14页 (文件大小：254K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-0663; Rev 2; 11/09
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
6/MAX1507
General Description
Features
o Wide Operating Input Voltage Range (4V to 40V)
o Guaranteed 50mA Output Current
The MAX15006/MAX15007 ultra-low quiescent-current
linear regulators are ideal for use in automotive and bat-
tery-operated systems. These devices operate from an
input voltage of 4V to 40V, deliver up to 50mA of output
current, and consume only 10µA of quiescent current at
no load. The internal p-channel pass device keeps the
quiescent current low even at full load. The MAX15007
consumes only 3µA current when in shutdown.
o Low Quiescent Current
10µA (No Load) and 90µA (Full Load)
o Operates Through Cold-Crank Condition
o Withstands 45V Load Dump
o Low Dropout Voltage of 300mV
(MAX15006B/MAX15007B)
The MAX15006A/MAX15007A have a fixed 3.3V output
while the MAX15006B/MAX15007B have a fixed 5V out-
put voltage. The MAX15006C/MAX15007C feature an
adjustable output from 1.8V to 10V. The MAX15007
includes an enable input to turn the device on or off. All
devices are short-circuit protected and include thermal
shutdown.
o Stable Operation with Tiny 2.2µF Output
Capacitor
o Enable Input (MAX15007)
o Preset 3.3V and 5.0V Output Voltages
o 1.8V to 10V Adjustable Output (MAX15006C/
MAX15007C)
o Thermal and Short-Circuit Protection
o -40°C to +125°C Operating Temperature Range
The MAX15006/MAX15007 operate over the -40°C to
+125°C automotive temperature range. These devices
are available in space-saving 3mm x 3mm 6-pin TDFN
and 8-pin SO thermally enhanced packages.
o Thermally Enhanced 3mm x 3mm 6-Pin TDFN/
8-Pin SO Packages
Ordering Information
Applications
PIN-
TOP
PART
TEMP RANGE
PACKAGE MARK
Automotive
-40°C to +125°C
MAX15006AASA+
MAX15006AATT+
MAX15006AATT/V+
MAX15006BASA+
8 SO-EP**
—
APE
—
Tire-Pressure Monitoring
Industrial
-40°C to +125°C 6 TDFN-
-40°C to +125°C 6 TDFN-
Telecom
-40°C to +125°C
8 SO-EP**
—
Networking
Ordering Information continued at end of data sheet.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*Future product—contact factory for availability.
**EP = Exposed pad.
/V Denotes an automotive-qualified part.
Pin Configurations
TOP VIEW
OUT OUT (FB) GND
MAX15006A
MAX15006B
MAX15006C
6
5
4
+
IN
N.C.
N.C.
N.C.
1
2
3
4
8
7
6
5
OUT
MAX15006A
MAX15006B
MAX15006C
N.C. (FB)
N.C.
*EP
+
*EP
GND
1
2
3
SO
IN
IN
N.C.
*EXPOSED PAD
) FOR MAX15006C ONLY.
TDFN
(
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
ABSOLUTE MAXIMUM RATINGS
IN to GND...............................................................-0.3V to +45V
EN to GND..............................................................-0.3V to +45V
OUT, FB to GND.....................................................-0.3V to +12V
OUT Short-Circuit Duration ........................................Continuous
Maximum Current Into Any Pin (except IN and OUT) ...... 50mA
Thermal Resistance (Note 1)
θ
JA
θ
JC
θ
JA
θ
JC
, 6-Pin TDFN ...........................................................42°C/W
, 6-Pin TDFN ..........................................................8.5°C/W
, 8-Pin SO-EP..........................................................43°C/W
, 8-Pin SO-EP............................................................7°C/W
Continuous Power Dissipation (T = +70°C)
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
A
6-Pin TDFN-EP (derate 23.8mW/°C above +70°C).........1904mW
8-Pin SO-EP (derate 23.3mW/°C above +70°C)...........1860mW
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-
layer board. For detailed information on package thermal considerations, see www.maxim-ic.com/thermal-tutorial.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V = 14V, I
= 1mA, C = 0.1µF, C
= 2.2µF, T = T = -40°C to +125°C, unless otherwise noted. Typical specifications are at
IN
OUT
IN
OUT
A
J
T
A
= +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
40
17
15
18
16
18
16
19
17
20
18
21
19
150
150
5
UNITS
6/MAX1507
Input Voltage Range
V
4
V
IN
I
I
I
I
I
I
I
I
I
I
I
I
I
I
= 0 (MAX15006A/B)
= 0 (MAX15006C)
10
8
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 0 (MAX15007A/B)
= 0 (MAX15007C)
11
9
= 100µA (MAX15006A/B)
= 100µA (MAX15006C)
= 100µA (MAX15007A/B)
= 100µA (MAX15007C)
= 1mA (MAX15006A/B)
= 1mA (MAX15006C)
= 1mA (MAX15007A/B)
= 1mA (MAX15007C)
= 50mA (MAX15006)
= 50mA (MAX15007)
10.5
8.5
11.5
9.5
12
10
13
11
90
93
3
Regulator on,
measured at GND
Ground Current
I
µA
GND
Shutdown Supply Current
REGULATOR
I
Regulator off (MAX15007 only)
µA
mA
V
SHDN
Guaranteed Output Current
I
V
≥ V
+ ∆V
DO
50
3.25
4.925
1.8
OUT
IN
OUT
MAX15006A/MAX15007A
MAX15006B/MAX15007B
MAX15006C/MAX15007C
3.3
5.0
3.35
5.075
10
Output Voltage (Note 3)
V
I
= 1mA
OUT
OUT
I
I
I
I
I
= 5mA, MAX15006B/MAX15007B
= 5mA, MAX15006C/MAX15007C
= 50mA, MAX15006B/MAX15007B
= 50mA, MAX15006C/MAX15007C
= 50mA, MAX15006A/MAX15007A
30
30
53
OUT
OUT
OUT
OUT
OUT
60
Dropout Voltage (Notes 4, 5)
∆V
300
300
525
600
700
mV
DO
2
_______________________________________________________________________________________
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
6/MAX1507
ELECTRICAL CHARACTERISTICS (continued)
(V = 14V, I
= 1mA, C = 0.1µF, C
= 2.2µF, T = T = -40°C to +125°C, unless otherwise noted. Typical specifications are at
OUT A J
IN
OUT
IN
T
A
= +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
= 1mA
MIN
TYP
MAX
0.25
1.5
UNITS
%
Line Regulation
6V ≤ V ≤ 35V, I
IN OUT
Load Regulation
Output Current Limit
V
= V
+ 3V, I = 100µA to 50mA
OUT
0.7
%
IN
OUT
80
350
mA
V
V
= 3.3V
= 5V
115
179
66
OUT
OUT
100Hz to 100kHz, I
OUT
Output Voltage Noise
µV
RMS
= 50mA, C
= 2.2µF
OUT
Power-Supply Rejection Ratio
FB Threshold Voltage
FB Input Current
PSRR
f = 100Hz, V
= 500mV , I
= 50mA
dB
V
IN_RIPPLE
P-P OUT
V
I
= 1mA (MAX15006C/MAX15007C only)
= 0V, 1.5V (MAX15006C/MAX15007C only)
1.2
1.23
1.26
FB
FB
LOAD
I
V
-100
+100
nA
FB
ENABLE LOGIC
V
0.4
2
IL
Enable Threshold Voltage
V
V
1.4
IH
Enable Threshold Hysteresis
Enable Pulldown Current
Enable to Regulation Time
THERMAL SHUTDOWN
Thermal Shutdown
60
0.5
0.4
mV
µA
ms
Internally pulled down to GND
(Note 6)
T
Junction temperature rising
+165
20
°C
°C
SHDN
Thermal Shutdown Hysteresis
T
HYST
Note 2: Limits at T = -40°C are guaranteed by design.
A
Note 3: Output voltage regulation is guaranteed for I
≥ 5µA.
OUT
OUT
Note 4: Dropout voltage is defined as (V - V
) when V
is 2% below the value of V
when V = V
+ 3V.
OUT
IN
OUT
OUT
IN
Note 5: For V
= 3.3V, the 700mV dropout indicates V
does not reach 2% below V
at V = V
+ 3V at minimum 4V
OUT
OUT
OUT
IN
OUT
input voltage.
Note 6: Enable to regulation time is the time the output takes to reach 95% of its final value with V = 14V and EN is taken from V
IN
IL
to V in 5ns.
IH
_______________________________________________________________________________________
3
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
Typical Operating Characteristics
(V = 14V, C = 0.1µF, C
= 2.2µF, V = V , T = +25°C, unless otherwise noted.)
IN
IN
OUT
EN
IN
A
OUTPUT VOLTAGE vs. INPUT VOLTAGE
(MAX15006A/MAX15007A)
OUTPUT VOLTAGE vs. INPUT VOLTAGE
(MAX15006B/MAX15007B)
OUTPUT VOLTAGE vs. TEMPERATURE
(MAX15006A/MAX15007A)
3.6
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3.45
3.42
3.39
3.36
3.33
3.30
3.27
3.24
3.21
3.18
3.15
3.3
3.0
2.7
2.4
2.1
1.8
1.5
1.2
0.9
0.6
0.3
0
I
= 1mA
OUT
I
= 50mA
OUT
I
= 0
I
= 0
OUT
OUT
0
5
10 15 20 25 30 35 40
(V)
0
5
10 15 20 25 30 35 40
(V)
-50 -25
0
25 50 75 100 125 150
V
V
TEMPERATURE (°C)
IN
IN
6/MAX1507
OUTPUT VOLTAGE vs. TEMPERATURE
(MAX15006B/MAX15007B)
DROPOUT VOLTAGE vs. LOAD CURRENT
(MAX15006B/MAX15007B)
GROUND CURRENT vs. LOAD CURRENT
(MAX15006B/MAX15007B)
5.25
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
4.75
500
450
400
350
300
250
200
150
100
50
100
90
80
70
60
50
40
30
20
10
0
T
= +125°C
A
T
= +125°C
A
I
= 1mA
OUT
T
= +25°C
A
T
= +25°C
A
T
= -40°C
A
T
= -40°C
A
I
= 50mA
OUT
0
-50 -25
0
25 50 75 100 125 150
0
5
10 15 20 25 30 35 40 45 50
(mA)
0
5
10 15 20 25 30 35 40 45 50
(mA)
TEMPERATURE (°C)
I
OUT
I
OUT
GROUND CURRENT vs. TEMPERATURE
GROUND CURRENT vs. TEMPERATURE
(I = 50mA)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
(I
= 0)
OUT
OUT
18
16
14
12
10
8
100
99
98
97
96
95
94
93
92
91
90
10
9
8
7
6
5
4
3
2
1
0
V
= +40V
IN
V
= +14V
V
IN
V
= +40V
IN
= +6V
IN
V
= +14V
IN
6
V
= +6V
IN
4
2
0
-50 -25
0
25 50 75 100 125 150
-50 -25
0
25 50 75 100 125 150
-50 -25
0
25 50 75 100 125 150
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
4
_______________________________________________________________________________________
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
6/MAX1507
Typical Operating Characteristics (continued)
(V = 14V, C = 0.1µF, C
= 2.2µF, V = V , T = +25°C, unless otherwise noted.)
IN
IN
OUT
EN
IN
A
GROUND CURRENT DISTRIBUTION
GROUND CURRENT DISTRIBUTION
GROUND CURRENT DISTRIBUTION
(T = -40°C)
A
(T = +125°C)
A
(T = +25°C)
A
27
24
21
18
15
12
9
27
24
21
18
15
12
9
27
MAX15007, I
= 0
OUT
MAX15007, I
= 0
MAX15007, I
= 0
OUT
OUT
24
21
18
15
12
9
50 UNITS TESTED
50 UNITS TESTED
50 UNITS TESTED
6
6
6
3
3
3
0
0
0
10.4 10.5 10.6 10.7 10.8 10.9 11.0
11.8
I
11.6 11.7
11.9 12.0 12.1
10.8 10.9 11.0 11.1 11.2 11.3 11.4
I
(µA)
(µA)
GND
I
(µA)
GND
GND
LOAD-TRANSIENT RESPONSE
(MAX15006B/MAX15007B)
INPUT-VOLTAGE STEP RESPONSE
(MAX15006B/MAX15007B, I
= 1mA)
OUT
STARTUP RESPONSE
MAX15006 toc15
MAX15006 toc13
MAX15006 toc14
18V
V
OUT
V
IN
V
IN
5V/div
AC-COUPLED
200mV/div
14V
50mA
V
OUT
I
OUT
V
OUT
AC-COUPLED
100mV/div
1mA
2V/div
MAX15006B/MAX15007B
= 1mA
I
OUT
400µs/div
400µs/div
200µs/div
ENABLE STARTUP RESPONSE
ENABLE STARTUP RESPONSE
MAX15006 toc17
ENABLE STARTUP RESPONSE
MAX15006 toc16
MAX15006 toc18
EN
EN
EN
1V/div
1V/div
1V/div
V
V
V
OUT
OUT
OUT
2V/div
2V/div
2V/div
MAX15006B/MAX15007B
= 0
MAX15006B/MAX15007B
I = 50mA
OUT
MAX15006B/MAX15007B
= 40V, I = 0
I
V
OUT
IN
OUT
400µs/div
400µs/div
400µs/div
_______________________________________________________________________________________
5
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
Typical Operating Characteristics (continued)
(V = 14V, C = 0.1µF, C
= 2.2µF, V = V , T = +25°C, unless otherwise noted.)
EN IN A
IN
IN
OUT
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
OUTPUT-NOISE SPECTRAL DENSITY
vs. FREQUENCY
ENABLE STARTUP RESPONSE
MAX15006 toc19
0
10
1
I
= 50mA
OUT
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
EN
1V/div
C
= 2.2µF
OUT
0.1
0.01
V
OUT
2V/div
C
= 10µF
OUT
1
MAX15006B/MAX15007B
= 40V, I = 50mA
MAX15006A/MAX15007A
V
IN
OUT
I
= 50mA
OUT
0.01
0.1
10
100
1000
400µs/div
0.01
0.1
1
10
100
FREQUENCY (kHz)
FREQUENCY (kHz)
6/MAX1507
OUTPUT VOLTAGE NOISE
vs. LOAD CURRENT
OUTPUT-NOISE SPECTRAL DENSITY
vs. FREQUENCY
150
135
120
105
90
10
1
75
60
0.1
0.01
45
30
MAX15006B/MAX15007B
15
I
= 50mA
OUT
MAX15006A/MAX15007A
10 15 20 25 30 35 40 45 50
(mA)
0
0
5
0.01
0.1
1
10
100
I
FREQUENCY (kHz)
OUT
FB VOLTAGE vs. TEMPERATURE
(MAX15007C, V = 5V)
FB VOLTAGE vs. INPUT VOLTAGE
(MAX15007C, V
= 5V)
OUT
OUT
1.230
1.229
1.228
1.227
1.226
1.225
1.224
1.223
1.222
1.221
1.220
1.230
1.229
1.228
1.227
1.226
1.225
-50 -25
0
25 50 75 100 125 150
5
10
15
20
V
25
(V)
30
35
40
TEMPERATURE (°C)
IN
6
_______________________________________________________________________________________
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
6/MAX1507
Typical Operating Characteristics (continued)
(V = 14V, C = 0.1µF, C
= 2.2µF, V = V , T = +25°C, unless otherwise noted.)
EN IN A
IN
IN
OUT
OUTPUT VOLTAGE NOISE
vs. OUTPUT CAPACITANCE
CLAMPED LOAD DUMP
(I = 0)
OUT
MAX15006 toc27
150
135
120
105
90
40V
V
IN
13.5V
75
60
45
V
OUT
AC-COUPLED
20mV/div
30
MAX15006A/MAX15007A
= 25mA
15
I
OUT
0
0
2
4
6
8
10 12 14 16 18 20 22
100ms/div
C
(µF)
OUT
Pin Description
PIN
NAME
FUNCTION
MAX15006A/B
MAX15006C
MAX15007A/B
MAX15007C
TDFN
SO
TDFN
SO
TDFN
SO
TDFN
SO
Regulator Supply Input. Supply voltage ranges
from 4V to 40V. Bypass with a 0.1µF capacitor to
GND.
1, 2
1
1, 2
1
1, 2
1
1, 2
1
IN
2, 3,
4, 6, 7
2, 3, 4,
6
2, 4, 6,
7
3
3
—
—
2, 4, 6
N.C.
No Connection. Not internally connected.
Ground
4
5
8
4
6
5
8
4
5
8
4
6
5
8
GND
OUT
Regulator Output. Bypass OUT to GND with a
low-ESR capacitor with a minimum 2.2µF.
5, 6
5, 6
Feedback Regulation Set-Point. Connect an
external resistive divider network from OUT to FB
to GND to adjust the output voltage from 1.8V to
10V.
—
—
—
—
—
—
5
7
—
3
—
3
5
3
7
3
FB
EN
EP
Active-High Enable Input. Force EN high (or
connect to V ) to turn the regulator on. Pull EN
IN
low (or leave unconnected) to place the device
in a low-power shutdown mode. EN is internally
pulled down to GND through a 0.5µA sink
current.
—
—
—
—
Exposed Pad. Internally connected to GND.
Connect EP to the ground plane for enhanced
thermal performance. Do not use EP as a
ground connection.
—
—
—
—
_______________________________________________________________________________________
7
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
Functional Diagrams
IN
-
FET DRIVER
WITH
CURRENT LIMIT
+
OUT
ERROR
AMPLIFIER
THERMAL
SENSOR
1.242V
REF
FB
(FOR MAX15006C ONLY)
GND
6/MAX1507
MAX15006
(FOR MAX15006A/B ONLY)
Figure 1. MAX15006 Simplified Functional Diagram
IN
CONTROL
LOGIC
-
FET DRIVER
WITH
CURRENT LIMIT
EN
+
OUT
ERROR
AMPLIFIER
THERMAL
SENSOR
1.242V
REF
FB
(FOR MAX15007C ONLY)
GND
MAX15007
(FOR MAX150076A/B ONLY)
Figure 2. MAX15007 Simplified Functional Diagram
8
_______________________________________________________________________________________
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
6/MAX1507
EN Input (MAX15007 Only)
Detailed Description
EN is an active-high, logic-level enable input that turns
The MAX15006/MAX15007 high-voltage linear regulators
the device on or off. Drive EN high to turn the device
on. An internal 0.5µA pulldown current keeps the
MAX15007 in shutdown mode when driven by a three-
state driver in high-impedance mode, or an open-drain
driver. While in shutdown, the device consumes only
3µA (typ). EN withstands voltages up to 40V, allowing it
to be driven by high input level voltages or connected
to IN for always-on operation.
operate over a 4V to 40V input voltage range. These
devices guarantee 50mA load drive, and offer preset
output voltages of +3.3V (MAX15006A/MAX15007A) or
+5V (MAX15006B/MAX15007B) or an adjustable voltage
output from 1.8V to 10V (MAX15006C/MAX15007C).
Thermal shutdown and short-circuit protection prevent
damage during overtemperature and overcurrent condi-
tions. The MAX15007 includes an enable input (EN)
allowing the regulators to be turned on/off using a logic-
level voltage. Driving EN high turns on the device while
driving EN low places the device in a low-power shut-
down mode. In shutdown, the supply current is reduced
to 3µA (typ). The MAX15006/MAX15007 operate over the
-40°C to +125°C automotive temperature range. All
devices are available in thermally enhanced 6-pin TDFN
and 8-pin SO packages capable of dissipating 1.904W
Thermal Protection
When the junction temperature exceeds +165°C, an
internal thermal sensor turns the pass transistor off, and
allows the device to cool. The thermal sensor turns the
pass transistor on again after the junction temperature
cools by 20°C. This results in a cycled output during
continuous thermal-overload conditions. Thermal pro-
tection protects the MAX15006/MAX15007 in the event
and 1.860W at T = +70°C, respectively.
A
of fault conditions. Operation at T = +150°C without
J
going into thermal shutdown is not guaranteed. Use
Figures 3a and 3b to determine the minimum guaran-
teed output current.
Regulator
The regulator accepts an input voltage from 4V to 40V.
The MAX15006A/MAX15007A have a fixed 3.3V output
voltage while the MAX15006B/MAX15007B offer a fixed
5V output voltage. The MAX15006C/MAX15007C fea-
ture an adjustable voltage output by connecting an
external resistive divider from OUT to FB and to GND
(see the Output Voltage Setting section).
Output Short-Circuit Current Limit
The MAX15006/MAX15007 feature a 175mA current
limit. The output can be shorted to GND for an indefinite
period of time without damage to the device. During a
short circuit, the power dissipated across the pass tran-
sistor can quickly heat the device. When the die tem-
perature reaches +165°C, the MAX15006/
MAX15007 shut down and automatically restart after
the die temperature cools by 20°C.
55
55
V
= 18V, V
= 5V
OUT
V
= 18V, V
= 5V
OUT
IN
IN
50
45
40
35
30
25
20
15
10
5
50
45
40
35
30
25
20
15
10
5
V
V
= 18V,
V
V
= 18V,
IN
IN
= 3.3V
= 3.3V
OUT
OUT
V
= 26V, V
= 5V
IN
OUT
V
= 26V, V
= 5V
OUT
IN
V
= 26V, V
= 3.3V
OUT
V
= 26V, V
= 3.3V
OUT
IN
IN
0
0
80 85 90 95 100 105 110 115 120 125 130
80 85 90 95 100 105 110 115 120 125 130
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
Figure 3a. Minimum Output Current vs. Ambient Temperature
(6-Pin TDFN-EP)
Figure 3b. Minimum Output Current vs. Ambient Temperature
(8-Pin SO-EP)
______________________________________________________________________________________________________________________________________________________________________________ 99
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
For the SO-EP package:
Applications Information
Output Voltage Setting
1.8605W for T
≤ + 70°C
⎧
⎫
⎪
⎬
A
⎪
The MAX15006C/MAX15007C provide an adjustable
output voltage from 1.8V to 10V and do not operate in a
preset output voltage mode. Connect an external resis-
tive divider from OUT to FB to GND as shown in Figure
P
=
⎨
⎩
W
°C
D
1.8605W − 0.0233
x
T
– 70°C for + 70°C
<
T
≤ +125°C
A
(
)
A
⎪
⎪
⎭
After determining the allowable package dissipation,
calculate the maximum allowable output current, with-
out exceeding the +150°C junction temperature, using
the following formula:
4 to set the desired output voltage. V
as follows:
is calculated
OUT
R1
R2
⎛
⎝
⎞
⎠
V
= V × 1+
⎜
FB
OUT
P
D
I
=
≤ 50mA
OUT(MAX)
where V
= 1.23V and a 5µA minimum current is
required in the external divider for stability.
V
− V
OUT
FB
IN
The above equations do not include the negligible
power dissipation from self-heating due to the IC
ground current.
Available Output Current Calculation
The MAX15006/MAX15007 provide up to 50mA of contin-
uous output current. The input voltage range extends to
40V. Package power dissipation limits the amount of out-
put current available for a given input/output voltage and
ambient temperature. Figure 5 shows the maximum
allowable power dissipation for these devices to keep the
junction temperature below +150°C. Figure 5 assumes
that the exposed metal pad of the MAX15006/MAX15007
Example 1 (TDFN Package):
T = +125°C
A
V
IN
V
OUT
= 26V
6/MAX1507
= 3.3V
Calculate the maximum allowable package dissipation
at the given temperature as follows:
2
is soldered to 1in of PCB copper.
Use Figure 5 to determine the allowable package dissi-
pation for a given ambient temperature. Alternately, use
the following formulas to calculate the allowable pack-
age dissipation. For the TDFN package:
W
°C
P
= 1.9048W − 0.0238
125°C − 70°C = 595.8mW
(
)
D
And establish the maximum output current:
595.8mW
1.9048W for T
≤ + 70°C
⎧
⎫
⎪
⎬
A
⎪
P
=
⎨
W
D
1.9048W − 0.0238
x
T
– 70°C for + 70°C
<
T
≤ +125°C
A
(
)
A
⎪
⎪
⎭
I
=
= 26.2mA
°C
⎩
OUT(MAX)
26V− 3.3V
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
+4V TO +40V
+1.8V TO +10V
1.9408W
(6-PIN TDFN)
OUT
IN
0.1µF
2.2µF
R1
DERATE
23.8mW/°C
MAX15007C
1.8605W
(8-PIN SO-EP)
FB
ON
DERATE
23.3mW/°C
OFF
EN
R2
GND
0
20
60 80 100 120
140
40
V
V
= V (1 + R1/R2)
FB
OUT
FB
TEMPERATURE (°C)
= 1.23V
Figure 4. Setting the Adjustable Output Voltage
Figure 5. Calculated Maximum Power Dissipation vs. Ambient
Temperature
10 ______________________________________________________________________________________
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
6/MAX1507
Example 2 (TDFN Package):
In Examples 2 and 3, the maximum output current is
calculated as 172mA and 476mA, respectively; howev-
er, the allowable output current cannot exceed 50mA.
T = +85°C
A
IN
V
V
= 14V
= 5V
Alternately, use Figures 6a and 6b to quickly determine
the maximum allowable output current for selected
ambient temperatures and input voltages.
OUT
Calculate the maximum allowable package dissipation
at the given temperature as follows:
Output-Capacitor Selection
and Regulator Stability
W
°C
P
= 1.9048W − 0.0238
85°C − 70°C = 1.5478W
(
)
D
For stable operation over the full temperature range
and with load currents up to 50mA, use a low-ESR
2.2µF (min) ceramic or tantalum output capacitor. Use
larger output-capacitor values such as 22µF to reduce
noise, improve load-transient response, and power-
supply rejection.
Then determine the maximum output current:
1.5478W
I
=
= 172mA ⇒ I
= 50mA
OUT(MAX)
OUT(MAX)
14V−5V
Some ceramic dielectrics exhibit large capacitance and
ESR variations with temperature. Ensure the minimum
capacitance under worst-case conditions does not
drop below 1.3µF to ensure output stability. With an
X7R dielectric, 2.2µF should be sufficient at all operat-
ing temperatures.
Example 3 (TDFN Package):
T = +50°C
A
V
IN
V
OUT
= 9V
= 5V
Calculate the maximum allowable package dissipation
at the given temperature as follows:
P = 1.9048W
D
Find the maximum output current:
1.9048W
9V−5V
I
=
= 476mA ⇒ I
= 50mA
OUT(MAX)
OUT(MAX)
60
55
50
45
60
55
50
45
40
35
30
25
20
15
10
5
T = +70°C
T = +70°C
A
A
40
35
T = +85°C
A
T = +85°C
A
30
T = +125°C
25
T = +125°C
A
A
20
15
10
V
OUT
= 5V
8-PIN SO-EP
V
OUT
= 5V
6-PIN TDFN
5
0
0
0
5
10 15 20 25 30 35 40
(V)
0
5
10 15 20 25 30 35 40
(V)
V
IN
V
IN
Figure 6a. Calculated Maximum Output Current vs. Input
Voltage (6-Pin TDFN-EP)
Figure 6b. Calculated Maximum Output Current vs. Input
Voltage (8-Pin SO-EP)
______________________________________________________________________________________ 11
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
Selector Guide
FIXED OUTPUT
VOLTAGE (V)
ADJUSTABLE OUTPUT
VOLTAGE (V)
PART
ENABLE INPUT
PIN-PACKAGE
MAX15006AASA+
MAX15006AATT+
MAX15006BASA+
MAX15006BATT+
MAX15006CASA+
MAX15006CATT+
MAX15007AASA+
MAX15007AATT+
MAX15007BASA+
MAX15007BATT+
MAX15007CASA+
MAX15007CATT+
—
—
—
—
—
—
√
3.3
3.3
5
—
8 SO-EP
6 TDFN-EP
8 SO-EP
—
—
5
—
6 TDFN-EP
8 SO-EP
—
—
3.3
3.3
5
ADJ (1.8 to 10)
ADJ (1.8 to 10)
6 TDFN-EP
8 SO-EP
—
√
—
6 TDFN-EP
8 SO-EP
√
—
√
5
—
6 TDFN-EP
8 SO-EP
√
—
—
ADJ (1.8 to 10)
ADJ (1.8 to 10)
√
6 TDFN-EP
6/MAX1507
Pin Configurations (continued)
TOP VIEW
MAX15007A
MAX15007B
MAX15007C
+
OUT OUT (FB) GND
6
5
4
IN
N.C.
EN
1
2
3
4
8
7
6
5
OUT
N.C. (FB)
N.C.
MAX15007A
MAX15007B
MAX15007C
*EP
N.C.
GND
*EP
+
SO
1
2
3
IN
IN
EN
*EXPOSED PAD
( ) FOR MAX15007C ONLY.
TDFN
12 ______________________________________________________________________________________
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
6/MAX1507
Ordering Information (continued)
Chip Information
PROCESS: BiCMOS
PIN-
TOP
PART
TEMP RANGE
PACKAGE MARK
-40°C to +125°C 6 TDFN-
-40°C to +125°C 6 TDFN-
MAX15006BATT+
MAX15006BATT/V+
MAX15006CASA+*
MAX15006CATT+
MAX15007AASA+
MAX15007AATT+
MAX15007BASA+
MAX15007BATT+
MAX15007CASA+*
MAX15007CATT+
APF
—
Package Information
-40°C to +125°C
-40°C to +125°C 6 TDFN-
-40°C to +125°C
-40°C to +125°C 6 TDFN-
-40°C to +125°C
-40°C to +125°C 6 TDFN-
-40°C to +125°C
-40°C to +125°C 6 TDFN-
8 SO-EP**
—
For the latest package outline information and land patterns, go
API
—
to www.maxim-ic.com/packages.
8 SO-EP**
APG
—
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
8 SO-EP**
6 TDFN-EP
8 SO-EP
T633-2
S8E-12
21-0137
21-0111
APH
—
8 SO-EP**
APJ
+Denotes a lead(Pb)-free/RoHS-compliant package.
*Future product—contact factory for availability.
**EP = Exposed pad.
/V Denotes an automotive-qualified part.
______________________________________________________________________________________ 13
40V, Ultra-Low Quiescent-Current
Linear Regulators in 6-Pin TDFN/8-Pin SO
Revision History
REVISION
NUMBER
REVISION
DATE
PAGES
CHANGED
DESCRIPTION
0
10/06
Initial release
—
Added MAX15006C/MAX15007C adjustable version to data sheet including
Ordering Information, Electrical Characteristics, Pin Description, and
Detailed Description.
1
5/08
1–14
Added the MAX15006A/MAX15006B automotive packages to the Ordering
Information.
2
11/09
1, 13
6/MAX1507
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2009 Maxim Integrated Products
Maxim is a registered trademark of Maxim Integrated Products, Inc.
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