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参数资料
| 型号： | FAN5602MU33X |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG 3.3V 8MSOP |
| 标准包装： | 4,000 |
| 类型： | 降压（降压），升压（升压），切换电容（充电泵） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 1.8 V ~ 5.5 V |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 200mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-MLP |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-MLP（3x3） |
August 2009
FAN5602 — Universal (Step-Up/Step-Down) Charge
Pump Regulated DC/DC Converter
Features
■ Low-Noise, Constant-Frequency Operation at Heavy Load
■ High-Efficiency, Pulse-Skip (PFM) Operation at Light Load
■ Switch Configurations (1:3, 1:2, 2:3, 1:1, 3:2, 2:1, 3:1)
■ 92% Peak Efficiency
■ Input Voltage Range: 2.7V to 5.5V
■ Output Current: 4.5V, 100mA at V IN = 3.6V
■ ±3% Output Voltage Accuracy
■ I CC < 1μA in Shutdown Mode
■ 1MHz Operating Frequency
■ Shutdown Isolates Output from Input
■ Soft-Start Limits Inrush Current at Startup
■ Short-Circuit and Over-Temperature Protection
■ Minimum External Component Count
■ No Inductors
Applications
■ Cell Phones
■ Handheld Computers
■ Portable RF Communication Equipment
■ Core Supply to Low-Power Processors
■ Low-Voltage DC Bus
■ DSP Supplies
Ordering Information
Description
The FAN5602 is a universal switched capacitor DC/DC
converter capable of step-up or step-down operation.
Due to its unique adaptive fractional switching topology,
the device achieves high efficiency over a wider input/
output voltage range than any of its predecessors. The
FAN5602 utilizes resistance-modulated loop control,
which produces lower switching noise than other topolo-
gies. Depending upon actual load conditions, the device
automatically switches between constant-frequency and
pulse-skipping modes of operation to extend battery life.
The FAN5602 produces a fixed regulated output within
the range of 2.7V to 5.5V from any type of voltage
source. High efficiency is achieved under various input/
output voltage conditions because an internal logic circuit
automatically reconfigures the system to the best possi-
ble topology. Only two 1μF bucket capacitors and one
10μF output capacitor are needed. During power on,
soft-start circuitry prevents excessive current drawn from
the supply. The device is protected against short-circuit
and over-temperature conditions.
The FAN5602 is available with 4.5V and 5.0V output volt-
ages in a 3x3mm 8-lead MLP package.
Part Number
FAM6502MP45X
FAN5602MP5X
Package
3x3mm 8-Lead MLP
3x3mm 8-Lead MLP
Eco Status
Green
Green
Output Voltage, N VOM
4.5V
5.0V
Note:
1. Reference MLP08D Option B ONLY.
2.
For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html .
Application Diagram
Input 2.7V to 5.5V
V IN
C IN
C2+
C B
C2-
GND
1
2
3
4
FAN5602
8
6
7
5
C1+
C1-
ENABLE
V OUT
C OUT
Figure 1. Typical Application Diagram
? 2005 Fairchild Semiconductor Corporation
FAN5602 Rev. 1.5.3
www.fairchildsemi.com
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