M62276GP [RENESAS]
M6227xGP;
| 型号： | M62276GP |
| 厂家： | 
RENESAS TECHNOLOGY CORP |
| 描述： | M6227xGP 开关 光电二极管 |
| 文件： | 总6页 (文件大小：182K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
M6227xGP
5-Pin SOT-23 3 V System Fixed Output Voltage DC/DC Converter
REJ03D0849-0201
Rev.2.01
Nov 14, 2007
Description
M6227xGP is an integrated circuit designed as fixed output voltage general purpose DC/DC converter.
Integrating peripheral components in ultra small 5-pin SOT23 package allows for simplified external circuit and
compact low cost design.
This IC is applicable to portable equipments due to low circuit current 500 µA (typ.)
Especially this is most suitable for CD-ROM, and so on as converter from 5 to 3 V system.
Features
•
•
•
•
•
Wide operation power supply voltage range…….. 4 V to 15 V (VCC = 5 V
Low power consumption………………………… 500 µA max. (VCC oad)
Built-in oscillator without peripheral components (110 kHz typ.)
Built-in over current protection circuit
Ultra small 5-pin SOT23 package
Applications
CD-ROM, portable equipments, general electric prod
Block Diagram
LM
5
Current limit
circuit
PWM Comp
1 Collector
mp
+
+
−
IN 3
1.25 V
OSC.
(110 kHz)
2
GND
REJ03D0849-0201 Rev.2.01 Nov 14, 2007
Page 1 of 5
M6227xGP
Pin Arrangement
M6227xGP
Collector
output
CLM
1
2
3
5
GND
IN
VCC
4
(Top view)
Outline: SOT-23, PLSP0005ZA-A (SOT-25)
Type Name & Output Voltage
Type Name
M62270GP
Voltage
3.3 V
3.0 V
2.7
M62271GP
M62272GP
M62273GP
M62274GP
M62275GP
M62276GP
REJ03D0849-0201 Rev.2.01 Nov 14, 2007
Page 2 of 5
M6227xGP
Absolute Maximum Ratings
(Ta = 25°C, unless otherwise noted)
Item
Supply voltage
Symbol
Ratings
16
Unit
V
Conditions
VCC
IO
Output current
100
mA
Power dissipation
Pd
200
mW
mW/°C
°C
Ta = 25°C
Ta > 25°C
Thermal derating ratio
Operating ambient temperature
Storage temperature
Kθ
2.0
Topr
Tstg
−20 to +85
−40 to +125
°C
Electrical Characteristics
(Ta = 25°C, VCC = 5 V, unless otherwise noted)
Limits
Block
Item
Symbol
Units
V
Conditions
Min
Typ
Max
Supply voltage
Supply current
Output voltage
VCC
ICC
VO
4.0
50
9
1.58
30
µA
V
No load
Error
Amp.
3.15
2.85
2
M62270GP
M62271GP
M62272GP
M62273GP
M62274GP
M62275GP
M62276GP
VCC = 4 to 12 V
V
V
V
V
REF line regulation
IN input current
mV
µA
kHz
mV
%
00
110
150
90
300
160
180
Oscillator Oscillator frequency
CLM
Current limit voltage
Maximum on duty
0
VCC − CLM
Output
Output leakage curre
−1
1
µA
V
VCC = 12 V, VC = 12 V
IO = 100 mA
Output saturation
1.2
2.0
REJ03D0849-0201 Rev.2.01 Nov 14, 2007
Page 3 of 5
M6227xGP
Application Circuit (3.3 V Output DC/DC Converter; M62270GP)
RCLM
VIN (5 V)
0.1 Ω
+
100 µF
4
5
VCC
CLM
1 kΩ
V
OUT (3.3 V, 1 A)
IN
1
Collector
M62270
3
1 kΩ
+
100 µF
GND
2
47 µH
Figure 1 Example of Application Circuit GP
•
Current limit detection:
When the voltage drop between 4-pin and 5-pin becomes 150 mV ction circuit starts to
operate. In the example of application (Figure 1), the current i
The Expression of Circuit Constants
− VO
Constants
TON
TOFF
0 kHz (VCC = 5 V)
(TON + T
TON
(
1 +
+ TOFF) /
)
T
TOFF
1
− TOFF
fOSC
(VIN − VCE (sat) − VO) × TON (MAX)
∆lO
1
lO
+
∆lO
2
0.15
Ipk
RCLM
∆VCLM: 150 mV (VCC = 5 V)
Note: VF: Forward voltage drop of an external diode.
Vsat: Output saturation voltage of an external switching transistor.
∆IO: Set to 1/3 to 1/5 of maximum output current.
Choose an external transistor, diode and inductor with peak current rating greater than "Ipk".
REJ03D0849-0201 Rev.2.01 Nov 14, 2007
Page 4 of 5
M6227xGP
Package Dimensions
JEITA Package Code
SC-74A
RENESAS Code
Package Name
SOT-25
MASS[Typ.]
0.015 g
Unit: mm
PLSP0005ZA-A
D
θ
1.9 0.2
HE
E
L
L1
Dimension in Millimeters
b
Reference
Symbol
Min
Nom
Max
1.3
e
A
Z
A 1
A 2
0
0.1
0.8
1.0
0.3
1.1
0.4
0.1
1.2
0.5
0.2
b
c
0.07
2.7
1.5
2.9
1.6
3.1
1.8
D
E
A2
A
0.95
2.8
e
HE
L
2.6
0.2
3.0
0.6
A
1
L 1
y
y
0.1
0.6
Z
θ
0
°
15°
REJ03D0849-0201 Rev.2.01 Nov 14, 2007
Page 5 of 5
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