M51995AFP#CF0J Renesas Electronics America, M51995AFP#CF0J Datasheet - Page 4

• Manufacturer Part Number: M51995AFP#CF0J
• Description: IC SWIT PWM SMPS OVP UVLO 20SOIC
• Manufacturer: Renesas Electronics America

Specifications of M51995AFP#CF0J

• Output Isolation: Isolated
• Frequency Range: 170 ~ 207kHz
• Voltage - Input: 9.9 ~ 36 V
• Power (watts): 1.5W
• Operating Temperature: -30°C ~ 85°C
• Package / Case: 20-SOIC (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

M51995AP/AFP
Recommended Operating Conditions
• Supply voltage range: 12 to 36 V
• Operating frequency: less than 500 kHz
• Oscillator frequency setting resistance
Block Diagram
REJ03D0835-0300 Rev.3.00 Jun 06, 2008
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Oscillator capacitance
Oscillator resistance
Oscillator resistance
T-OFF (OFF duty)
 T-ON pin resistance R
 T-OFF pin resistance R
OVP (shut down)
T-ON (ON duty)
ON/OFF
CF
VF
Latch
voltage
lockout
Under
ON
OFF
V
: 10 k to 75 kΩ
CC
: 2 k to 30 kΩ
Oscillator
(triangle)
regulator
Voltage
7.1 V
+Current limit
5.8 V
limit latch
+Current
CLM+
1 S
15.2 k
PWM
Comparator
1 S
−Current limit
1 S
limit latch
−Current
CLM−
3 k
6 S
PWM
500
latch
F/B
OSC control
Intermittent
action and
OP AMP
−
+
DET
determine capacitance
Intermittent operation
2.5 V
Intermittent
GND
action
CT
Collector
V
Emitter
OUT