continued
MIN
Electrical Characteristics:
TEST CONDITIONS
PARAMETER
ꢀ Output Section
TYP
MAX
UNIT
Output Low Level
I
SINK=20mA
0.1
1.5
0.4
2.2
V
V
ISINK=200mA
Output High Level
ISOURCE=20mA
ISOURCE=200mA
13.0
12.0
13.5
13.5
V
V
Rise Time
Fall Time
Output Leakage
TJ=25˚C, CL=1nF (Note 2)
TJ=25˚C, CL=1nF (Note 2)
Undervoltage Active, VOUT=0
50
50
-0.01
150
150
-10.00
ns
ns
µA
ꢀ Total Standby Current
Start-Up Current
Operating Supply Current ICC VFB=VSense=0V, RT=10kΩ, CT=3.3nF
0.5
11
1.0
17
mA
mA
ꢀ Under-Voltage Lockout Section
Start Threshold
Min. Operating Voltage
7.6
7.0
8.0
7.4
8.4
7.8
V
V
After Turn On
Package Pin Description
PIN SYMBOL
PACKAGE PIN #
FUNCTION
8L PDIP
14L SO Narrow
1
2
3
4
1
3
5
7
COMP
VFB
Error amp output, used to compensate error amplifier
Error amp inverting input
Sense
OSC
Noninverting input to Current Sense Comparator
Oscillator timing network with Capacitor to Ground, resistor
to VREF
5
6
8
9
Gnd
Pwr Gnd
VOUT
Ground
Output driver Ground
Output drive pin
10
11
VCCPwr
VCC
Output driver positive supply
Positive power supply
Output of 5V internal reference
No Connection
7
8
12
14
VREF
2,4,6,13
NC
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
