参数资料
型号: ISL80112IRAJZ
厂商: Intersil
文件页数: 5/17页
文件大小: 0K
描述: IC REG LDO ADJ 2A 10-DFN
标准包装: 100
稳压器拓扑结构: 正,可调式
输出电压: 0.8 V ~ 3.3 V
输入电压: 1 V ~ 3.6 V
电压 - 压降(标准): 0.053V @ 2A
稳压器数量: 1
电流 - 输出: 2A(最小值)
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-VFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 管件
ISL80111, ISL80112, ISL80113
Electrical Specifications Unless otherwise specified, V IN = V OUT + 0.4V, V BIAS = 2.9V, V OUT = 1.2V, C BIAS = 1μF, C IN = 10μF,
C OUT = 2.2μF, T J = +25°C, I L = 0mA. Applications must follow thermal guidelines of the package to determine worst-case junction temperature. Please
refer to “Power Dissipation” on page 13 and Tech Brief TB379 .
Boldface limits apply over junction temperature (T J ) range, -40°C to +125°C. Pulse load techniques used by ATE to ensure T J = T A where datasheet limits
are defined. (Continued)
MIN
MAX
PARAMETER
V IN Quiescent Current
V BIAS Quiescent Current
Ground Pin Current in
Shutdown
V IN Dropout Voltage
(Note 11)
SYMBOL
I Q (V IN)
I Q (V BIAS)
I SHDN
V DO(VIN)
TEST CONDITIONS
VOUT = 1.0V
0 ≤ I L ≤ 3A, V BIAS = 5.5V
ENABLE Pin = 0.2V, T J = +125°C
I LOAD = 1A, V OUT = 1.2V, 2.9V ≤ V BIAS ≤ 5V
I LOAD = 2A, V OUT = 1.2V, 2.9V ≤ V BIAS ≤ 5V
(Note 10)
TYP
3.5
2.9
3
27
53
(Note 10)
4.6
20
90
115
UNITS
mA
mA
μA
mV
mV
I LOAD = 3A, V OUT = 1.2V, 2.9V ≤ V BIAS ≤ 5V
75
140
mV
V BIAS Dropout Voltage
(Note 11)
V DO(BIAS)
I LOAD = 1A, V OUT = 1.2V
I LOAD = 2A, V OUT = 1.2V
I LOAD = 3A, V OUT = 1.2V
1.1
1.2
1.3
1.3
1.4
1.5
V
V
V
OVERCURRENT PROTECTION
Output Short Circuit Current
(3A Version)
Output Short Circuit Current
(2A Version)
Output Short Circuit Current
(1A Version)
ISC
V OUT = 0.2V
V OUT = 0.2V
V OUT = 0.2V
5.2
3.2
2.2
A
A
A
OVER-TEMPERATURE PROTECTION
Thermal Shutdown
TSD
160
°C
Temperature
Thermal Shutdown
TSDn
20
°C
Hysteresis
AC CHARACTERISTICS
Input Supply Ripple Rejection
Output Noise Voltage
Spectral Noise Density
PSRR(V IN )
PSRR(V BIAS )
e N(RMS)
e N
f = 120Hz, I LOAD = 1A
f = 120Hz, I LOAD = 1A
I LOAD = 10mA, BW = 100Hz ≤ f ≤ 100kHz
I LOAD = 3A, f = 10Hz
I LOAD = 3A, f = 100Hz
80
60
100
7
3
dB
dB
μV RMS
μV/ √ Hz
μV / √ Hz
DEVICE START-UP CHARACTERISTICS
EN Start-up Time
BIAS Start-up Time
t EN
t BIAS
C OUT = 10μF, I LOAD = 1A
C OUT = 10μF, EN = BIAS
50
100
μs
μs
ENABLE PIN CHARACTERISTICS
Turn-on Threshold (Rising)
Hysteresis (Rising Threshold)
V OUT + 0.4V ≤ V IN ≤ 3.6V, 2.9V ≤ V BIAS ≤ 5.5V
1.2V ≤ V IN ≤ 3.6V, 2.9V ≤ V BIAS ≤ 5.5V
400
60
680
260
850
330
mV
mV
PG PIN CHARACTERISTICS
PG Flag Falling Threshold
PG Flag Hysteresis
PG TH
PGHYS
2.9V ≤ V BIAS ≤ 5.5V
2.9V ≤ V BIAS ≤ 5.5V
71
82
9.3
93
%V OUT
%V OUT
5
FN7841.2
November 1, 2013
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