参数资料
型号: FAN5355UC08X
厂商: Fairchild Semiconductor
文件页数: 7/26页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 12WLCSP
标准包装: 3,000
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.75 V ~ 1.4375 V
输入电压: 2.7 V ~ 5.5 V
频率 - 开关: 3MHz
电流 - 输出: 1.1A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 12-UFBGA,WLCSP
包装: 带卷 (TR)
供应商设备封装: 12-WLCSP
Electrical Specifications (Continued)
V IN = 3.6V, EN = V IN , VSEL = V IN , SYNC = GND, VSEL0(6) bit = 1, CONTROL2[4:3] = 00. T A = -40°C to +85°C, unless otherwise
noted. Typical values are at T A = 25°C. Circuit and components according to Figure 1.
Symbol Parameter
Conditions
Min.
Typ.
Max.
Units
6-Bit DAC
Differential Nonlinearity
Monotonicity Assured by Design
0.8
LSB
Timing
I 2 C EN
EN HIGH to I 2 C Start
250
? s
t V(L-H)
V OUT LOW to HIGH Settling
R LOAD = 75 ? , Transition from 1.0 to
1.5375V,
7
? s
V OUT Settled to within 2% of Set Point
Soft Start
Regulator
Option 06
R LOAD > 5 ? , to V OUT = 1.8000V
170
210
? s
t SS
Enable to
Regulated V OUT
All Other
Options
R LOAD > 5 ? , to V OUT = Power-up Default
140
180
? s
V SLEW
Soft-start V OUT Slew Rate (10)
18.75
V/ms
Note:
10. Option 03 and 06 slew rates are 35.5V/ms during the first 16 ? s of soft start.
AVIN
Q1
PVIN
C IN
VIN
EN
VSEL
SYNC
SDA
SCL
I 2 C
INTERFACE
AND LOGIC
7-bit REF
DAC
SOFT START
FPWM
EN_REG
CLK
MODULATOR
Q2
SW
L OUT
PGND
C OUT
VOUT
VOUT
3 MHz Osc
Figure 4. Block Diagram
AGND
? 2008 Fairchild Semiconductor Corporation
FAN5355 ? Rev. 1.1.0
7
www.fairchildsemi.com
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