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| 型号： | SC1453ISK3.3TRT |
| 厂商： | Semtech |
| 文件页数： | 3/15页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V .15A SOT-23-5 |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.3V |
| 输入电压： | 最高 6.5V |
| 电压 - 压降（标准）： | 0.15V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA |
| 电流 - 限制（最小）： | 400mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 1358 (CN2011-ZH PDF) |
| 其它名称： | SC1453ISK3.3DKR |
NOT RECOMMENDED FOR NEW DESIGN
SC1453
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: V IN = V OUT + 1V, V EN = V IN , I OUT = 100μA, C IN = C OUT = 1μF, T A = 25°C. Values in bold apply over full operating ambient temperature range.
P a r a m e t e r
S y m b o l
C o n d i t i o n s
M i n
T y p
M a x
U n i t s
O U T ( C o n t . )
C u r r e n t L i m i t
I L I M
4 0 0
m A
D r o p o u t V o l t a g e ( 1 ) ( 3 )
V D
I O U T = 1 m A
I O U T = 5 0 m A
1
5 0
6 5
m V
m V
7 5
I O U T = 1 0 0 m A
1 0 0
1 2 5
m V
1 5 5
I O U T = 1 5 0 m A
1 5 0
1 9 0
m V
2 3 0
O u t p u t V o l t a g e N o i s e ,
C O U T = 1 μ F
e n
1 0 H z t o 1 0 0 k H z , I O U T = 1 m A
C B Y P = 1 0 n F , V O U T = 1 . 5 V
2 6
μ V R M S
1 0 H z t o 1 0 0 k H z , I O U T = 1 m A
C B Y P = 1 0 n F , V O U T = 3 . 3 V
5 4
O u t p u t V o l t a g e N o i s e ,
C O U T = 1 0 0 μ F
e n
1 0 H z t o 1 0 0 k H z , I O U T = 1 m A
C B Y P = 1 0 n F , V O U T = 1 . 5 V
1 3
μ V R M S
1 0 H z t o 1 0 0 k H z , I O U T = 1 m A
C B Y P = 1 0 n F , V O U T = 3 . 3 V
2 9
P o w e r S u p p l y R e j e c t i o n R a t i o
P S R R
f = 1 2 0 H z , C B Y P = 1 0 n F
6 1
d B
B Y P
S t a r t - u p R i s e T i m e
t r
C B Y P = 1 0 n F
1 . 3
m s
E N
E n a b l e I n p u t T h r e s h o l d
V I H
V I L
2 . 2 5 V ≤ V I N ≤ 6 . 5 V
2 . 2 5 V ≤ V I N ≤ 6 . 5 V
1 . 6
0 . 4
V
E n a b l e I n p u t B i a s C u r r e n t ( 4 )
I E N
0 V ≤ V E N ≤ V I N
- 0 . 5
0
+ 0 . 5
μ A
O v e r T e m p e r a t u r e P r o t e c t i o n
H i g h T r i p L e v e l
H y s t e r e s i s
T H I
T H Y S T
1 5 0
2 0
° C
° C
Notes:
(1) Low duty cycle pulse testing with Kelvin connections required.
(2) V IN(MIN) = 2.25V.
(3) Defined as the input to output differential at which the output voltage drops 100mV below the value measured
at a differential of 1V. Not measurable on 1.5V and 1.8V parts due to minimum V IN constraints.
(4) Guaranteed by design.
? 2008 Semtech Corp.
3
www.semtech.com
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