CS4124
Electrical Characteristics:
4V
≤
V
CC
≤
26V, -40˚C < T
A
= 125°C, (unless otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s
External Drive (OUTPUT): continued
Voltage to Duty Cycle
Conversion
4V
≤
V
CC
< 7V
V
CC
= 13V, CTL = 1V
V
CC
= 13V, CTL = 2V
7V
≤
V
CC
≤
18V
V
CC
= 13V, CTL = 30% V
REG
V
CC
= 13V, CTL = 55.8% V
REG
18V < V
CC
≤
26V
V
CC
= 13V, CTL = 1. 5V
V
CC
= 13V, CTL = 3. 5V
4V
≤
V
CC
≤
26V
R
GATE
= 6Ω, C
GATE
= 5nF
4V
≤
V
CC
≤
26V
R
GATE
= 6Ω, C
GATE
= 5nF
4V
≤
V
CC
< 7V
R
GATE
= 6Ω, C
GATE
= 5nF
7V
≤
V
CC
≤
26V
R
GATE
= 6Ω, C
GATE
= 5nF
4V
≤
V
CC
< 7V
R
GATE
= 6Ω, C
GATE
= 5nF
7V
≤
V
CC
≤
26V
R
GATE
= 6Ω, C
GATE
= 5nF
I
OUT
= 1mA
I
OUT
= -1mA
V
BOOST
- 1.7
1.3
65
100
28.3
56.0
11.8
34.2
.25
.30
150
300
150
300
75
%
%
%
%
%
%
µs
µs
mA
mA
mA
mA
V
V
36.3
64.0
21.8
44.2
1
1
Output Rise Time
Output Fall Time
Output Sink Current
Output Source Current
Output High Voltage
Output Low Voltage
s
Charge Pump (DRV)
Boost Voltage
V
CC
+ 6.4
Package Lead Description
V
PACKAGE LEAD #
LEAD SYMBOL
FUNCTION
16 Lead PDIP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
OUTPUT
BOOST
FLT
R
OSC
C
OSC
CTL
PGnd
V
CC
V
REG
SNI
PMP
I
SENSE-
I
SENSE+
I
ADJ
INH
Gnd
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
5V linear regulator
Sense inductor current
Collector of boost power transistor
Current sense minus
Current sense plus
Current limit adjust
Output Inhibit
Ground
1197
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
