ETA5198
封装及脚位图
极限参数
(注: 使用时超出此极限参数会导致电路损毁或影响长期可靠性)
VIN,VOUT,BIAS,LDOOUT to GND...–0.3V ~ 32V
LDOFB,ILIM to GND .............. -0.3V~6.5V
VOUT,LDOOUT to GND current………...内部限制
工作温度范围 ………………................…–40° C ~ 85° C
存储温度范围 ………………………….–55° C ~ 150° C
封装热阻
θJA
ESOP8……………….……….40 ........ ° C/W
电性能参数
(除非有特殊标注,否则 VIN = 12V,VLDOOUT=5V, 环境温度 TA = 25ºC.)
MIN TYP MAX
PARAMETER
Input Standoff Voltage
SYMBOL
TESTCONDITIONS
UNIT
V
VIN_MAX
32
VIN_RANGE
UVLO
Input Voltage Range
3.8
3.4 3.5 3.65
30 31 32
31
V
System Input Under Look Out Voltage
Input Over Voltage Protection
Rising, Hysteresis=200mV
Rising, Hysteresis=0.9V
VIN = 7V
V
OVP
V
100 150
160 120
µA
µA
IQ
Input Supply Current
VIN = 12V
VIN = 24V
Rising, Hys=15 o C
180 240
155
µA
o C
SYS_TSD
Thermal Shutdown for System
接口短路保护器
SW_UVLO
SW_TSD
Input UVLO For Current limit Switch
Thermal Shutdown for Switch
Rising, Hysteresis=500mV
Rising, Hys=15 o C
7.6 8.0 8.40
135
V
o C
ISW
=
500mA,
-
RON
Power Switch On Resistance
Current Limit Range
500 900
mΩ
40°C≤TJ≤120° C
SW_ILIM
0.2
1.2
A
1.1
4
0.1
5
SW_ILIM_1P2
RILIM=15K
RILIM=90K
1.2 1.26
SW_ILIM_0P2
SW_ILIM_INT
Current Limit Threshold
0.2 0.25
A
RILIM<4kΩ (auto detected
real time)
0.6
0.7
5
0.6
IOUT_CC / (VIN -
SW_VFLDBCK –VOUT
%ILIM/
V
SW_IFLDBCK
SW_VFLDBCK
4
Foldback Current Limit Reduction Ratio
Current Limit Foldback Start Threshold
)
VIN-VOUT
2.5
V
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