POWER SUPPLY |
VIN |
Input voltage range |
|
2.7 |
|
12 |
V |
VIN_UVLO |
Undervoltage lockout (UVLO) threshold |
VIN rising |
|
|
2.7 |
V |
VIN falling |
|
2.4 |
2.5 |
V |
VIN_HYS |
VIN UVLO hysteresis |
|
|
200 |
|
mV |
VCC_UVLO |
UVLO threshold |
VCC falling |
|
2.1 |
|
V |
IQ |
Operating quiescent current from the VIN pin |
IC enabled, VEN = 2 V, no load, RILIM = 100 kΩ , VFB = 1.3 V, VOUT = 12 V, TJ up to 85°C |
|
1 |
3 |
µA |
Operating quiescent current from the VOUT pin |
|
110 |
250 |
µA |
ISD |
Shutdown current into the VIN pin |
IC disabled, VEN = 0 V, no load, no feedback resistor divider connected to the VOUT pin, TJ up to 85°C |
|
1 |
3 |
µA |
VCC |
VCC regulation |
IVCC = 5 mA, VIN = 8 V |
|
5.8 |
|
V |
EN AND MODE INPUT |
VENH |
EN high threshold voltage |
VCC = 6 V |
|
|
1.2 |
V |
VENL |
EN low threshold voltage |
VCC = 6 V |
0.4 |
|
|
V |
REN |
EN internal pull-down resistance |
VCC = 6 V |
|
800 |
|
kΩ |
VMODEH |
MODE high threshold voltage |
VCC = 6 V |
|
|
4.0 |
V |
VMODEL |
MODE low threshold voltage |
VCC = 6 V |
1.5 |
|
|
V |
RMODE |
MODE internal pull-up resistance |
VCC = 6 V |
|
800 |
|
kΩ |
OUTPUT |
VOUT |
Output voltage range |
|
4.5 |
|
12.6 |
V |
VREF |
Reference voltage at the FB pin |
PWM mode |
1.186 |
1.204 |
1.222 |
V |
PFM mode |
|
1.212 |
|
ILKG_FB |
FB pin leakage current |
VFB = 1.2 V |
|
|
100 |
nA |
ISS |
Soft-start charging current |
|
|
5 |
|
μA |
ERROR AMPLIFIER |
ISINK |
COMP pin sink current |
VFB = VREF +200 mV, VCOMP = 1.5 V |
|
20 |
|
µA |
ISOURCE |
COMP pin source current |
VFB = VREF –200 mV, VCOMP = 1.5 V |
|
20 |
|
µA |
VCCLPH |
High clamp voltage at the COMP pin |
VFB = 1 V, RILIM = 100 kΩ |
|
2.3 |
|
V |
VCCLPL |
Low clamp voltage at the COMP pin |
VFB = 1.5 V, RILIM = 100 kΩ, MODE pin floating |
|
1.4 |
|
GEA |
Error amplifier transconductance |
VCOMP = 1.5 V |
|
190 |
|
µA/V |
POWER SWITCH |
RDS(on) |
High-side MOSFET on-resistance |
VCC = 6 V |
|
13 |
18 |
mΩ |
Low-side MOSFET on-resistance |
VCC = 6 V |
|
11 |
16.5 |
mΩ |
CURRENT LIMIT |
ILIM |
Peak switch current limit in PFM mode |
RILIM = 100 kΩ, VCC = 6 V, MODE pin floating |
10.6 |
11.9 |
13 |
A |
Peak switch current limit in FPWM mode |
RILIM = 100 kΩ, VCC = 6 V, MODE pin short to ground |
9.0 |
10.3 |
11.4 |
A |
VILIM |
Reference voltage at the ILIM pin |
|
|
1.204 |
|
V |
SWITCHING FREQUENCY |
ƒSW |
Switching frequency |
RFREQ = 301 kΩ, VIN = 3.6 V, VOUT = 12 V |
|
500 |
|
kHz |
tON_min |
Minimum on-time |
RFREQ = 301 kΩ, VIN = 3.6 V, VOUT = 12 V |
|
90 |
180 |
ns |
PROTECTION |
VOVP |
Output overvoltage protection threshold |
VOUT rising |
12.7 |
13.2 |
13.6 |
V |
VOVP_HYS |
Output overvoltage protection hysteresis |
VOUT falling below VOVP |
|
0.25 |
|
V |
THERMAL SHUTDOWN |
TSD |
Thermal shutdown threshold |
TJ rising |
|
150 |
|
°C |
TSD_HYS |
Thermal shutdown hysteresis |
TJ falling below TSD |
|
20 |
|
°C |