| POWER SUPPLY (VIN PIN) |
| VIN
|
Operation input voltage |
|
4 |
|
36 |
V |
| VIN_UVLO |
Undervoltage lockout thresholds |
Rising thresholdi |
3.3 |
3.7 |
3.9 |
V |
| Falling threshold
|
2.9 |
3.3 |
3.5 |
| ISHDN
|
Shutdown supply current |
VEN = 0 V, VIN =12 V, TJ = –40°C to 125°C |
|
2 |
4 |
μA |
| IQ
|
Operating quiescent current (non-switching) |
VIN =12 V, VFB = 1.1 V, TJ = –40°C to 125°C, PFM mode |
|
75 |
|
μA |
| ENABLE (EN/SYNC PIN) |
| VEN_H
|
Enable rising threshold voltage |
|
1.4 |
1.55 |
1.7 |
V |
| VEN_HYS
|
Enable hysteresis voltage |
|
|
0.4 |
|
V |
| VWAKE
|
Wake-up threshold |
|
0.4 |
|
|
V |
| IEN
|
Input leakage current at EN pin |
VIN = 4 V to 36 V, VEN = 2 V
|
|
10 |
100 |
nA |
| VIN = 4 V to 36 V, VEN= 36 V |
|
|
1 |
μA |
| VOLTAGE REFERENCE (FB PIN) |
| VREF
|
Reference voltage |
VIN = 4 V to 36 V, TJ = 25°C |
0.985 |
1 |
1.015 |
V |
| VIN = 4 V to 36 V, TJ = –40°C to 125°C |
0.98 |
1 |
1.02 |
| ILKG_FB
|
Input leakage current at FB pin |
VFB = 1 V |
|
10 |
|
nA |
| INTERNAL LDO (VCC PIN) |
| VCC
|
Internal LDO output voltage |
|
|
4.1 |
|
V |
| VCC_UVLO |
VCC undervoltage lockout thresholds |
Rising threshold |
2.8 |
3.2 |
3.6 |
V |
| Falling threshold |
2.4 |
2.8 |
3.2 |
| CURRENT LIMIT |
| IHS_LIMIT
|
Peak inductor current limit |
|
1.4 |
2 |
2.6
|
A |
| ILS_LIMIT
|
Valley inductor current limit |
|
1 |
1.5 |
2.1 |
A |
| IL_ZC
|
Zero cross-current limit |
|
|
–0.04 |
|
A |
| INTEGRATED MOSFETS |
| RDS_ON_HS
|
High-side MOSFET ON-resistance |
VIN = 12 V, IOUT = 1 A |
|
185 |
|
mΩ |
| RDS_ON_LS
|
Low-side MOSFET ON-resistance |
VIN = 12 V, IOUT = 1 A |
|
105 |
|
mΩ |
| THERMAL SHUTDOWN |
| TSHDN
|
Thermal shutdown threshold |
|
162 |
170 |
178 |
°C |
| THYS
|
Hysteresis |
|
|
15 |
|
°C |