NN30312A Datasheet, PDF (7/28 Pages) Panasonic Battery Group – Synchronous DC-DC Step down Regulator comprising of Controller IC and Power MOSFET

NN30312A
ELECRTRICAL CHARACTERISTICS ( Continued )
Co = 22 μF X 3 (Murata), Lo= 1 μH (TDK), VOUT Setting = 3.3 V, V_IN = AV_IN = PV_IN = 12 V,
Switching Frequency = 750 kHz, MODE = VREG (FCCM), T_a = 25 °C ± 2 °C unless otherwise noted.
Parameter
Symbol
Condition
PROTECTION
DC-DC output current limit
DDILMT
—
DC-DC Output GND Short
Protection Threshold
DDSHPTH FB = 0.6 V to 0.0 V
Soft-Start Timing
SS Charge Current
SS Discharge Resistance (Shut-down)
ISSCHG
RSSDIS
V_SS = 0.3 V
EN = 0 V
Switching Frequency Adjustment
DC-DC Switching Frequency 1
DC-DC Switching Frequency 2
DC-DC Switching Frequency 3
DDFSW1
DDFSW2
DDFSW3
I_OUT = – 5 A
I_OUT = – 5 A
I_OUT = – 5 A
Limits
Unit Note
Min Typ Max
— 15.0 — A *1
50
60
70 % —
– 4 – 2 — μA —
—
5
10 kΩ —
— 250 — kHz *1
— 750 — kHz *1
— 1250 — kHz *1
*1 ：Typical Value checked by design.
7
Ver. CEB