参数资料
| 型号： | SC196ULTRT |
| 厂商： | Semtech |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 1.5A 10MLPD |
| 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： | 0.8 V ~ 5.5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 1.5A |
| 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： | 10-UFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 10-MLPD-UT（3x3） |
| 产品目录页面： | 1357 (CN2011-ZH PDF) |
| 其它名称： | SC196ULDKR |
SC196
POWER MANAGEMENT
PRELIMINARY
Absolute Maximum Rating
Exceeding the speci ? cations below may result in permanent damage to the device or device malfunction. Operation outside of the parameters speci ? ed in the
Electrical Characteristics section is not recommended.
Parameter
Input Supply Voltage
Logic Inputs
(N=SYNC/PWM, EN, MODE)
Output Voltage
ADJ Input
LX Voltage
Thermal Impedance Junction to Ambient (1)
VOUT Short-Circuit to GND
Operating Ambient Temperature Range
Storage Temperature
Junction Temperature
Peak IR Re ? ow Temperature
ESD Protection Level (2)
Symbol
V IN
V N
V OUT
V ADJ
V LX
θ JA
t SC
T A
T S
T J
T PKG
V ESD
Maximum
-0.3 to 7
-0.3 to V IN +0.3, 7V Max
-0.3 to V IN +0.3, 7V Max
-0.3 to V IN +0.3, 7V Max
-1 to V IN +1, 7V Max
40
Continuous
-40 to +85
-65 to +150
-40 to +150
260
2
Units
V
V
V
V
V
°C/W
s
°C
°C
°C
°C
kV
Notes:
(1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
(2) Tested according to JEDEC standard JESD22-A114-B.
Electrical Characteristics
Unless otherwise noted: V IN = 3.6V, V OUT = 1.8V, EN = V IN , SYNC/PWM = V IN , MODE = V IN , T A = -40 to 85°C. Typical values are at T A = 25°C.
Parameter
Input Voltage Range
UVLO Threshold (upper)
Symbol
V IN
V UVL
Conditions
Min
2.5
2.18
Typ
2.3
Max
5.5
2.45
Units
V
V
UVLO Hysteresis
V UVLHYS
150
mV
Output Voltage Range
V OUT
0.8
V IN
V
FB Voltage Tolerance
Load Regulation (PWM)
PSAVE Regulation
P-Channel Current Limit
Quiescent Current
Shutdown Current
V FB
V OUT LOAD
V OUT PSAVE
I LIM(P)
I Q
I SD
V IN = 2.5V to 5.5V, I OUT = 0mA to 1.5A
I OUT = 0mA to 1.5A
SYNC/PWM=GND,C OUT = 22 μ F,
V IN = 2.5V to 5.5V, I OUT = 0mA to 1.5A
V IN =2.5V to 5.5V
SYNC/PWM = GND, I OUT = 0A,
V OUT = 1.04 x V OUT(Programmed)
EN = GND, LX = OPEN
0.485
1.96
0.5
±0.5
±2
2.8
17
0.1
0.515
±1
±3
3.57
28
1
V
%
%
A
μ A
μ A
? 2007 Semtech Corp.
2
www.semtech.com
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