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参数资料
| 型号： | FAN5361UMP123X |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 1.233V 6UMLP |
| 标准包装： | 3,000 |
| 系列： | TinyBuck™ |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 1.233V |
| 输入电压： | 2.3 V ~ 5.5 V |
| 频率 - 开关： | 6MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-UDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 6-UMLP（2x2） |
Electrical Characteristics
Minimum and maximum values are at V IN = V EN = 2.3V to 5.5V, V MODE = 0V (AUTO Mode), T A = -40°C to +85°C; circuit of
Figure 1, unless otherwise noted. Typical values are at T A = 25°C, V IN = V EN = 3.6V.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Power Supplies
I Q
I (SD)
V UVLO
V UVHYST
Quiescent Current
Shutdown Supply Current
Under-Voltage Lockout Threshold
Under-Voltage Lockout Hysteresis
No Load, Not Switching
PWM Mode
V IN = 3.6V, EN = GND
Rising V IN
35
6
0.05
2.15
150
55
1.00
2.25
μA
mA
μA
V ?
mV
Logic Inputs: EN and MODE Pins
V IH
V IL
V LHYST
Enable HIGH-Level Input Voltage
Enable LOW-Level Input Voltage
Logic Input Hysteresis Voltage
1.2
100
0.4
V
V
mV
I IN
Enable Input Leakage Current
Pin to V IN or GND
0.01
1.00
μA
Switching and Synchronization
MODE Synchronization Range
f SW
f SYNC
Switching Frequency (3)
(3)
V IN = 3.6V, T A = 25°C
Square Wave at MODE Input
5.4
1.3
6.0
1.5
6.6
1.7
MHz
MHz
Regulation
1.900V
I LOAD = 0 to 750mA (4)
PWM Mode (4)
1.832
1.832
1.900
1.900
1.957
1.938
V O
Output Voltage
Accuracy
1.820V
1.500V
I LOAD = 0 to 600mA
PWM Mode
I LOAD = 0 to 600mA
PWM Mode
1.784
1.784
1.470
1.470
1.820
1.820
1.500
1.500
1.875
1.856
1.545
1.530
V
1.233V
I LOAD = 0 to 600mA
PWM Mode
1.207
1.207
1.233
1.233
1.272
1.259
t SS
Soft-Start
From EN Rising Edge
180
300
μs
Output Driver
R DS(on)
PMOS On Resistance
NMOS On Resistance
V IN = V GS = 3.6V
V IN = V GS = 3.6V
350
225
m ?
I LIM(OL)
T TSD
PMOS Open-Loop Peak Current
Limit (5)
Thermal Shutdown
V OUT = 1.233V, 1.5V, 1.82V
V OUT = 1.9V
CCM Only
900
1180
1100
1375
150
1250
1550
mA
°C
T HYS
Thermal Shutdown Hysteresis
15
°C
Notes:
3. Limited by the effect of t OFF minimum (see Figure 14 and Figure 15 in Typical Performance Characteristics) .
4. Output voltage accuracy minimum: 1.862V for V IN 2.7 to 5.5V on 1.9V option.
5.
Refer to Operation Description and Typical Characteristics for closed-loop data.
? 2008 Fairchild Semiconductor Corporation
FAN5361 ? Rev. 1.1.3
4
www.fairchildsemi.com
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