MIC23099 Datasheet, PDF (5/26 Pages) Micrel Semiconductor – Single AA/AAA Cell Step-Up/Step-Down Regulators

Micrel, Inc.
MIC23099
Electrical Characteristics⁽⁷⁾ (Continued)
VIN = VEN = +1.25V; VOUT1 = +1.8V; VOUT2 = 1.0V; LOUT1 = 6.8µH; LOUT2 = 4.7µH; COUT1 = 47µF; COUT2 = 10µF;
TA = 25°C, unless otherwise noted. Bold values indicate –40°C ≤ TJ ≤ +125°C.
Parameter
Test Conditions
Min. Typ.
Fault Conditions
VIN and VOUT1, 2 Fault Conditions
VIN Turn Off Threshold Voltage
PG Deglitch Delay, VIN Fault
PG Deglitch Delay, VOUT1, 2 Fault
Cool OFF Delay Time
Hiccup Cycles before Latch OFF
VIN Falling; after Start Up
VIN Falling below 0.85V to VPG = LOW
VOUT1 or VOUT2 falling below 90% of target
value to VPG = LOW
VPG = Low to VOUT1 Enabled
COUT1 = 47µF; COUT2 = 10µF
Counts Cool OFF cycles
0.825 0.85
120
60
750 1300
15
OUT1 Active Discharge Resistance
VEN = 0V
500
OUT2 Active Discharge Resistance
VEN = 0V
500
Power Good Output (PG)
PG Threshold Voltage
PG Threshold Voltage
PG Output Low Voltage
PG Leakage Current
PG Turn-On Delay
VREF1 Rising or Falling
VREF2 Rising or Falling
IPG = 1mA (sinking), VEN = 0V
VPG = 1.8V; VEN = 1.8V
90 92.5
90 92.5
0.1
−1 0.01
10
LED Low-Battery Indicator Output (LED)
Low-Battery Threshold
Low-Battery Hysteresis
LED Flash Frequency
LED Flash Duty Cycle
LED Output Leakage Current
LED Switch On-Resistance
Thermal Protection
VIN Falling
VIN Rising
VIN = 1.15V; VEN = 1.15V
VIN = 1.15V; VEN = 1.15V
VLED = 4.0V; VEN = 0V
VIN = VEN = 1.25V; ILED = 1.0mA
1.15 1.2
0.125 0.25
22.5
25
0.01
Thermal Shutdown
TJ Rising
150
Thermal Hysteresis
Temperature Decreasing
20
Max.
0.875
180
120
2250
700
700
95
95
0.5
1
50
1.25
31
0.5
27.5
1
25
Units
V
ms
ms
ms
Cycles
Ω
Ω
%VREF1
%VREF2
V
μA
ms
V
mV
Hz
%
μA
Ω
°C
°C
May 27, 2014
5
Revision 1.2