m51996ap Renesas Electronics Corporation., m51996ap Datasheet - Page 2

• Manufacturer Part Number: m51996ap
• Description: Switching Regulator Control
• Manufacturer: Renesas Electronics Corporation.

M51996AP/AFP
Recommended Operating Conditions
Block Diagram
REJ03D0836-0201 Rev.2.01 Nov 14, 2007
Page 2 of 35
Supply voltage range: 12 to 30 V
Operating frequency: less than 500 kHz
Oscillator frequency setting resistance
T-ON pin resistance
T-OFF pin resistance
R
R
T-OFF
T-ON
ON
OFF
OVP
CF
: 10 k to 75 k
: 2 k to30 k
voltage
Latch
lockout
Under
Oscillator
(triangle)
REG (7.8 V)
SOFT
regulator
Voltage
15.2 k
1 S
5.8 V
PWM
Comparator
1 S
1 S
3 k
7.1 V
limit detection
6 S
500
Current
PWM
CLM+
latch
F/B
OP AMP
−
+
2.5 V
GND
V
CC
DET
Collector
V
Emitter
OUT