CS4124 Datasheet, PDF (4/12 Pages) Cherry Semiconductor Corporation – High Side PWM FET Controller

CS4124
ELECTRICAL CHARACTERISTICS (continued) (4.0 V ≤ V_CC ≤ 26 V; –40°C < T_J < 125°C; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
External Drive (OUTPUT) (continued)
Output Sink Current
Output Source Current
Output High Voltage
Output Low Voltage
Charge Pump (DRV)
4.0 V ≤ V_CC < 7.0 V:
R_GATE = 6.0 Ω, C_GATE = 5.0 nF
7.0 V ≤ V_CC ≤ 26 V:
R_GATE = 6.0 Ω, C_GATE = 5.0 nF
4.0 V ≤ V_CC < 7.0 V:
R_GATE = 6.0 Ω, C_GATE = 5.0 nF
7.0 V ≤ V_CC ≤ 26 V:
R_GATE = 6.0 Ω, C_GATE = 5.0 nF
I_OUT = 1.0 mA
I_OUT = –1.0 mA
–
150
–
–
300
–
–
150
–
–
300
–
V_BOOST = 1.7
–
–
–
–
1.3
Boost Voltage
–
V_CC + 6.4
–
–
Unit
mA
mA
mA
mA
V
V
V
PIN FUNCTION DESCRIPTION
PACKAGE PIN #
16 Lead PDIP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PIN SYMBOL
OUTPUT
BOOST
FLT
R_OSC
C_OSC
CTL
PGND
V_CC
V_REG
SNI
PMP
I_SENSE–
I_SENSE+
I_ADj
INH
GND
FUNCTION
MOSFET gate drive.
Boost voltage.
Fault time out capacitor.
Oscillator resistor.
Oscillator capacitor.
Pulse width control input.
Power ground for on chip clamp.
Positive power supply input.
5.0 V linear regulator.
Sense inductor current.
Collector of boost power transistor.
Current sense minus.
Current sense plus.
Current limit adjust.
Output Inhibit.
Ground.
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