JAJSCV5 November 2016 LM53602 , LM53603
PRODUCTION DATA.
PARAMETER | MIN | MAX | UNIT |
---|---|---|---|
VIN to AGND, PGND(2) | –0.3 | 40 | V |
SW to AGND, PGND(3) | –0.3 | VIN + 0.3 | V |
CBOOT to SW | –0.3 | 3.6 | V |
EN to AGND, PGND(2) | –0.3 | 40 | V |
BIAS to AGND, PGND | –0.3 | 16 | V |
FB to AGND, PGND : fixed 5 V and 3.3 V | –0.3 | 16 | V |
FB to AGND, PGND : ADJ | –0.3 | 5.5 | V |
RESET to AGND, PGND | –0.3 | 8 | V |
SYNC, FPWM, to AGND, PGND | –0.3 | 5.5 | V |
VCC to AGND, PGND | –0.3 | 4.2 | V |
RESET pin current(4) | –0.1 | 1.2 | mA |
AGND to PGND(5) | –0.3 | 0.3 | V |
Storage temperature, Tstg | –40 | 150 | °C |
VALUE | UNIT | ||||
---|---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) | Pins 1, 2, 3, 12, 13, | ±1500 | V |
Pins 11, 5, 8, 9, 6, 7, 4 | ±2500 | ||||
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) | Pins 3, 4, 5, 6, 7, 11, 12 and 13 | ±750 | |||
Pins 1, 2, 8, 9, 15 and 16 | ±500 |
MIN | NOM | MAX | UNIT | ||
---|---|---|---|---|---|
Input voltage(3) | 3.9 | 36 | V | ||
Output voltage : fixed 5 V(1) | 0 | 5 | V | ||
Output voltage : fixed 3.3 V(1) | 0 | 3.3 | V | ||
Output voltage adjustment range: ADJ(1)(2) | 3.3 | 10 | V | ||
Output current for LM53603 | 0 | 3 | A | ||
Output current for LM53602 | 0 | 2 | A | ||
RESET pin current | 0 | 1 | mA | ||
Operating junction temperature(4) | –40 | 150 | °C |
THERMAL METRIC(1) | LM53603, LM53602 | UNIT | |
---|---|---|---|
PWP (HTSSOP) | |||
16 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 42.5 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 22.6 | °C/W |
RθJB | Junction-to-board thermal resistance | 16.2 | °C/W |
ψJT | Junction-to-top characterization parameter | 0.6 | °C/W |
ψJB | Junction-to-board characterization parameter | 16.0 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 1.1 | °C/W |
PARAMETER | TEST CONDITIONS | MIN(1) | TYP | MAX(1) | UNIT | |
---|---|---|---|---|---|---|
VFB | Initial reference voltage accuracy for 5-V and 3.3-V options | VIN = 3.8 V to 36 V, FPWM, TJ = 25°C |
–1% | 1% | ||
VIN = 3.8 V to 36 V, FPWM | –1.25% | 1.25% | ||||
VREF | Reference voltage for ADJ option | VIN = 3.8 V to 36 V, FPWM, TJ = 25°C |
0.993 | 1 | 1.007 | V |
VIN = 3.8 V to 36 V, FPWM, TJ = –40°C to 125°C |
0.99 | 1 | 1.01 | |||
VIN-operate | Minimum input voltage to operate(2) | Rising | 3.2 | 3.95 | V | |
Falling | 2.9 | 3.55 | ||||
Hysteresis, below | 0.34 | |||||
IQ | Operating quiescent current; measured at VIN pin(3)(4) | VBIAS = 5 V, TJ = –40°C to 125°C |
8 | 13 | µA | |
ISD | Shutdown quiescent current; measured at VIN pin | EN ≤ 0.4 V, TJ = 25°C | 1.7 | µA | ||
EN ≤ 0.4 V, TJ = 125°C | 3.5 | |||||
IB | Current into the BIAS pin(4) | VBIAS = 5 V, FPWM = 3.3 V | 47 | 78 | µA | |
IEN | Current into EN pin | VIN = VEN = 13.5 V | 2.3 | µA | ||
IFB | Bias current into FB pin | ADJ option | 10 | nA | ||
VRESET | RESET upper threshold voltage | Rising, % of nominal Vout | 105% | 107% | 110% | |
RESET lower threshold voltage | Falling, % of nominal Vout | 92% | 94% | 96.5% | ||
RESET lower threshold voltage with respect to output voltage | Falling, % actual Vout | 94.5% | 95.7% | |||
VRESET-Hyst | RESET hysteresis as a percent of output voltage set point | 1.5% | ||||
VMIN | Minimum input voltage for proper RESET function | 50-µA pullup to RESET pin, VEN = 0 V, TJ = 25°C |
1.5 | V | ||
VOL | Low level RESET pin output voltage | 50-µA pullup to RESET pin, Vin = 1.5 V, EN = 0 V | 0.4 | V | ||
0.5-mA pullup to RESET pin, Vin = 13.5 V, EN = 0 V | 0.4 | |||||
1-mA pullup to RESET pin, Vin = 13.5 V, EN = 3.3 V | 0.4 | |||||
VEN | Enable input threshold voltage | Rising | 1.7 | 2 | V | |
Hysteresis, below | 0.45 | 0.55 | ||||
VEN-off | Enable input threshold for full shutdown(5) | EN input voltage required for complete shutdown of the regulator, falling. | 0.8 | V | ||
VLOGIC | Logic input levels on FPWM and SYNC pins | VIH | 1.5 | V | ||
VIL | 0.4 | |||||
IHS | High-side switch current limit | LM53603 | 4.5 | 6.2 | A | |
LM53602 | 2.4 | 4.4 | ||||
ILS | Low-side switch current limit(6) | LM53603 | 3 | 3.6 | 4.3 | A |
LM53602 | 2 | 2.4 | 2.8 | |||
IZC | Zero-cross current limit | FPWM = 0 V | –0.02 | A | ||
INEG | Negative current limit | FPWM = 3.3 V | –1.5 | A | ||
Rdson | Power switch on-resistance | High-side MOSFET resistance | 135 | 290 | mΩ | |
Low-side MOSFET resistance | 60 | 125 | ||||
FSW | Switching frequency | VIN = 3.8 V to 18 V | 1.85 | 2.1 | 2.35 | MHz |
VIN = 36 V | 1.2 | |||||
FSYNC | Synchronizing frequency range | 1.9 | 2.1 | 2.3 | MHz | |
VCC | Internal VCC voltage | VBIAS = 3.3 V | 3.15 | V | ||
TSD | Thermal shutdown thresholds | Rising | 162 | 178 | °C | |
Hysteresis, below | 18 |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
VIN-MIN | Minimum input voltage for Vout to stay within ±2% of regulation(2) | VOUT = 3.3 V, IOUT = 3 A | 3.9 | V | ||
VOUT = 3.3 V, IOUT = 1 A | 3.55 | |||||
Regulation | Line Regulation | VOUT = 5 V, VIN = 8 V to 36 V, IOUT = 3 A | 7 | mV | ||
VOUT = 3.3 V, VIN = 6 V to 36 V, IOUT = 3 A | 5 | |||||
Load Regulation : Auto Mode | VOUT = 5 V, VIN = 12 V, IOUT = 10 µA to 3 A | 77 | mV | |||
VOUT = 3.3 V, VIN = 12 V, IOUT = 10 µA to 3 A | 53 | |||||
Load Regulation : FPWM Mode | VOUT = 5 V, VIN = 12 V, IOUT = 10 µA to 3 A | 12 | mV | |||
VOUT = 3.3 V, VIN = 12 V, IOUT = 10 µA to 3 A | 9 | |||||
ISUPPLY | Input supply current when in regulation(1) | VIN = 13.5 V, VOUT = 3.3 V, IOUT = 0 A | 24 | µA | ||
VIN = 13.5 V, VOUT = 5 V, IOUT = 0 A | 34 | |||||
VDROP | Dropout voltage (VIN – VOUT) | 5-V Option:
VOUT = 4.95 V, IOUT = 3 A, FSW < 1.85 MHz |
0.7 | V | ||
5-V Option:
VOUT = 5 V, IOUT = 3 A, FSW = 1.85 MHz |
1.8 | |||||
3.3-V Option:
VOUT = 3.27 V, IOUT = 3 A, FSW < 1.85 MHz |
0.65 | |||||
3.3-V Option:
VOUT = 3.3 V, IOUT = 3 A, FSW = 1.85 MHz |
1.8 |
MIN | NOM | MAX | UNIT | ||
---|---|---|---|---|---|
TON | Minimum switch on-time, VIN = 20 V | 50 | 80 | ns | |
TOFF | Minimum switch off-time, VIN = 3.8 V | 125 | 200 | ns | |
TRESET-act | Delay time to RESET high signal | 2 | 3 | 4 | ms |
TRESET-filter | Glitch filter time for RESET function | 12 | 25 | 45 | µs |
TSS | Soft-start time | 1 | 2 | 3 | ms |
TEN | Turnon delay, CVCC = 1 µF, TJ = 25°C(1) | 1 | ms | ||
TW | Short-circuit wait time (Hiccup time) | 5.5 | ms |