ir1152s International Rectifier Corp., ir1152s Datasheet - Page 6

• Manufacturer Part Number: ir1152s
• Manufacturer: International Rectifier Corp.

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Block Diagram
COMP
VFB
BOP
OVP (VFB)
Comparator
OVP/EN
V
V
OVP(RST)
OVP (OVP)
Comparator
OVP(RST)
V
V
OVP
OVP
V
V
BOP(EN)
BOP
VBIAS
VBIAS
BROWN OUT
Comparator
V
VBIAS
OLP
V
OVP (OVP)
OVP (VFB)
OPEN LOOP
Comparator
SLEEP
V BIAS
V
ENABLE
Comparator
REF
VBIAS
Voltage Error
Amplifier
V BIAS
SLEEP
(POWER OFF)
OLP
BOP
V
Discharge
COMP
ISNS
V
COMP START
Current
Amplifier
V BIAS
V
m
UVLO/SLEEP
STAND-BY
g
DC
V
INTEGRATED
OSCILLATOR
ISNS
RAMP +
V BIAS
V
ISNS(PK)
f
C
+
IPK LIMIT
Comparator
V BIAS
6
-
V
0
M
OVP (OVP)
OVP (VFB)
V BIAS
MAX DUTY
CYCLE LIMIT
UVLO
(POWER OFF)
S
R
Q
© 2011 International Rectifier
Bias & Internal
References
UVLO
Block
IR1152S
V BIAS
GATE
COM
VCC