MAX1636 Maxim, MAX1636 Datasheet - Page 11

• Manufacturer Part Number: MAX1636
• Description: Low-Voltage / Precision Step-Down Controller for Portable CPU Power
• Manufacturer: Maxim

Figure 2. Functional Diagram
RESET
SHDN
OVP
V
REF
CC
VL
V
REF
______________________________________________________________________________________
SHUTDOWN
CONTROL
-30%
SWITCHOVER
TIMER
POWER
OFF
UNDER-
VOLTAGE
FAULT
-
LINEAR
OVERVOLTAGE
REG.
1.1V
REF.
V
V
5V
REF
REF
FAULT
+7%
-5%
POWER
Low-Voltage, Precision Step-Down
Controller for Portable CPU Power
IC
-
-
POWER
GOOD
V+
SLOPE
COMPENSATION
200kHz
300kHz
OSC
TO
REF
LP FILTER
GND
SYNC
60kHz
LOGIC
PWM
MAX1636
gm
-
ERROR
INTEGRATOR
REF
VL
0.2V
-
+
+
-
SKIP
BST
DH
LX
DL
PGND
CSH
CSL
CC
FB
TO VL
INPUT
+
11