W83321S Datasheet, PDF (10/18 Pages) Winbond – N-Channel FET Synchronous Buck Regulator Controller

W83321S/W83321G
9. ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
V_CC SUPPLY CURRENT
Nominal Supply
I_CC
POWER-ON RESET
Rising V_DD
Threshold
Falling V_DD
Threshold
OSCILLATOR
Free Running
Frequency
Ramp Amplitude
REFERENCE
ΔV_OSC
Reference Voltage
Tolerance
V_REF
Reference Voltage
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth
Slew Rate
GATE DRIVERS
High-side Gate
Source
I_HGATE-SRC
High-side Gate Sink
Low-side Gate
Source
I_HGATE-SNK
I_LGATE-SRC
Low-side Gate Sink I_LGATE-SNK
PROTECTION/DISABLE
ISEN Current
Source
I_SEN
Disable Threshold
V_COMP
TEST CONDITIONS
EN=V_CC; UGATE and LGATE
Open
V_BOOT=12V,V_UGATE=6V
V_BOOT=12V,V_UGATE=6V
V_CC=5V, V_LGATE=2.5V
V_CC=5V, V_LGATE=2.5V
MIN TYP MAX UNITS
-
3
-
mA
-
4.3 4.5
V
- 3.7 -
V
200 250 300 kHz
- 1.5 -
V_P-P
-1.5 - 1.5 %
- 0.8 -
V
- 85 -
dB
- 5.5 - MHz
- 4.1 -
V/_µS
250 -
-
mA
600 -
-
mA
250 -
-
mA
300 -
-
mA
72 90 108 µA
- 0.4 -
V
- 10 -