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参数资料
| 型号： | FAN5355UC03X |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 6/26页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 1A 12WLCSP |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.75 V ~ 1.54 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| 频率 - 开关： | 3MHz |
| 电流 - 输出： | 1A |
| 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： | 12-UFBGA，WLCSP |
| 包装： | 标准包装 |
| 供应商设备封装： | 12-WLCSP |
| 产品目录页面： | 1215 (CN2011-ZH PDF) |
| 其它名称： | FAN5355UC03XDKR |
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
Output Regulation
I OUT(DC) = 0, Forced PWM, V OUT = 1.35V
–1.5
1.5
%
Option 00
Option 02
2.7V ≤ V IN ≤ 5.5V, V OUT from 0.75 to 1.5375,
I OUT(DC) = 0 to 800mA, Forced PWM
2.7V ≤ V IN ≤ 5.5V, V OUT from 0.75 to 1.5375,
I OUT(DC) = 0 to 800mA, PFM Mode
I OUT(DC) = 0, Forced PWM, V OUT = 1.20V
2.7V ≤ V IN ≤ 5.5V, V OUT from 0.75 to 1.4375,
I OUT(DC) = 0 to 800mA, Forced PWM
2.7V ≤ V IN ≤ 5.5V, V OUT from 0.75 to 1.4375,
I OUT(DC) = 0 to 800mA, PFM Mode
I OUT(DC) = 0, Forced PWM, V OUT = 1.20V
–2
–1.5
–1.5
–2
–1.5
–1.5
2
3.5
1.5
2
3.5
1.5
%
%
%
%
%
%
V OUT
V OUT Accuracy
Option 03
2.7V ≤ V IN ≤ 5.5V, V OUT from 0.75 to 1.5375,
I OUT(DC) = 0 to 1A, Forced PWM
–2
2
%
2.7V ≤ V IN ≤ 5.5V, V OUT from 0.75 to 1.5375,
I OUT(DC) = 0 to 1A, PFM Mode
I OUT(DC) = 0, Forced PWM, V OUT = 1.800V
–1.5
–1.5
3.5
1.5
%
%
Option 06
Option 08
2.7V ≤ V IN ≤ 5.5V, V OUT from 1.185 to 1.975,
I OUT(DC) = 0 to 1A, Forced PWM
2.7V ≤ V IN ≤ 5.5V, V OUT from 1.185 to 1.975,
I OUT(DC) = 0 to 1A, PFM Mode
I OUT(DC) = 0, Forced PWM, V OUT = 1.20V
2.7V ≤ V IN ≤ 5.5V, V OUT from 0.75 to 1.4375,
I OUT(DC) = 0 to 1100mA, Forced PWM
2.7V ≤ V IN ≤ 5.5V, V OUT from 0.75 to 1.4375,
I OUT(DC) = 0 to 1100mA, PFM Mode
–2
–1.5
–1.5
–2
–1.5
2
3.5
1.5
2
3.5
%
%
%
%
%
? V OUT
? I LOAD
? V OUT
? V IN
V RIPPLE
Load Regulation
Line Regulation
Output Ripple Voltage
I OUT(DC) = 0 to 800mA, Forced PWM
2.7V ≤ V IN ≤ 5.5V, I OUT(DC) = 300mA
PWM Mode, V OUT = 1.35V
PFM Mode, I OUT(DC) = 10mA
–0.5
0
2.2
20
%/A
%/V
mV PP
mV PP
Continued on the following page…
? 2008 Fairchild Semiconductor Corporation
FAN5355 ? Rev. 1.1.0
6
www.fairchildsemi.com
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