W83320S Datasheet, PDF (10/18 Pages) Winbond – N-Channel FET Synchronous Buck Regulator Controller

W83320S/W83320G
8. ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
V_CC SUPPLY CURRENT
Nominal Supply
I_CC
POWER-ON RESET
EN=V_CC; UGATE and LGATE Open -
Rising V_DD
Threshold
-
Falling V_DD
Threshold
-
REFIN Enable
-
OSCILLATOR
Free Running
Frequency
R_SET=49.6K
160
Ramp Amplitude
ΔV_OSC
R_SET=49.6K
-
REFERENCE
Reference Voltage
Tolerance
V_REF
-1.5
Reference Voltage
-
ERROR AMPLIFIER
DC Gain
-
Gain-Bandwidth
-
Slew Rate
-
GATE DRIVERS
High-side Gate
Source
I_HGATE-SRC
V_BOOT=12V,V_UGATE=6V
250
High-side Gate Sink I_HGATE-SNK
V_BOOT=12V,V_UGATE=6V
600
Low-side Gate
Source
I_LGATE-SRC
V_CC=5V, V_LGATE=2.5V
250
Low-side Gate Sink I_LGATE-SNK
V_CC=5V, V_LGATE=2.5V
300
PROTECTION
ISEN Current
Source
I_SEN
64
Soft-Start Current
I_SS
10
TYP MAX UNITS
3
-
mA
4.3 -
V
3.7 -
V
0.27 -
V
200 240 kHz
1.5 -
V_P-P
- 1.5 %
1.19 -
V
80 -
dB
5
- MHz
4
-
V/_µS
-
-
mA
-
-
mA
-
-
mA
-
-
mA
72 80 µA
12 14 µA
- 10 -