MIC2545A_11 Datasheet, PDF (5/18 Pages) Micrel Semiconductor – Programmable Current-Limit High-Side Switch

Micrel, Inc.
Electrical Characteristics⁽⁴⁾ (Continued)
V_IN = +5V; T_A = 25°C, bold values indicate –40°C to +85°C, unless noted.
Symbol Parameter
Condition
t_F
Output Turn-Off Fall Time
R_L = 10Ω, C_L = 1µF, Figures 1a, 1b
Overtemperature Threshold
Shutdown
T_J Increasing
T_J Decreasing
Error Flag Off Current
V_FLG = 5V
EN Pulse Reset Width
MIC2549A Thermal-Shutdown Latch⁽⁷⁾
t_SU
V_IN to EN Set-Up
MIC2549⁽⁷⁾, Figure 1c
Current-Limit Response Time
V_OUT = 0V to I_OUT = 2A, I_SET = 1A⁽⁷⁾
V_OL
Error Flag Output Resistance
I_FLG = 10mA
Test Circuit
MIC2545A/2549A
Min.
1
0
Typ.
23
135
120
0.01
40
4
Max.
1
15
Units
µs
°C
µA
µs
µs
µs
Ω
Functional Characteristics Test Circuit
June 2011
5
M9999-062711-A