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MAX4959EUB+T

P1-P3P4-P6P7-P9P10-P12P13-P15
MAX4959/MAX4960
High-Voltage OVP with Battery Switchover
10
Maxim Integrated
Chip Information
PROCESS: BiCMOS
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
C
s
100pF
R
C
1MΩ
R
D
1.5kΩ
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 2. Human Body ESD Test Model
I
P
100%
90%
36.8%
t
RL
TIME
t
DL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
I
r
10%
0
0
AMPERES
Figure 3. Human Body Current Waveform
MAX4959/MAX4960
High-Voltage OVP with Battery Switchover
11
Maxim Integrated
Typical Operating Circuits
P1
CB
V
REF
GND
R1
R2
R3
N2
V
DD
1-CELL (4.2V) TO
4-CELL (16.8V)
RD1
N1
RU1
C1
D1
C2
RU2
P2
RD2
GATE2
GATE1IN
UVLO
OVLO
UVS
OVS
AC ADAPTER
HOLD-UP
POWER SUPPLY
LOGIC
DC-DC
CONVERTER
BATTERY
CHARGER
V
SUPPLY
Figure 4. MAX4959 Typical Operating Circuit 1
MAX4959/MAX4960
High-Voltage OVP with Battery Switchover
12
Maxim Integrated
Typical Operating Circuits (continued)
CB
3.3V
GND
R1
R2
R3
N2
V
DD
1-CELL (4.2V) TO
4-CELL (16.8V)
N1
GATE2
GATE1IN
UVLO
RD1
OVLO
UVS
OVS
AC ADAPTER
HOLD-UP
POWER SUPPLY
LOGIC
DC-DC
CONVERTER
SYSTEM LOAD
EN
V
REF
V
SUPPLY
28V
PROTECTED
CHARGER
Figure 5. MAX4959 Typical Operating Circuit 2
P1-P3P4-P6P7-P9P10-P12P13-P15

MAX4959EUB+T

Mfr. #:
Buy MAX4959EUB+T
Manufacturer:
Maxim Integrated
Description:
Current & Power Monitors & Regulators OVP w/Battery Switchover
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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