S-882136AMH-M2LTFG Seiko Instruments, S-882136AMH-M2LTFG Datasheet - Page 10

IC CHARGE PUMP CONV 3.6V SOT23-6

S-882136AMH-M2LTFG

Manufacturer Part Number
S-882136AMH-M2LTFG
Description
IC CHARGE PUMP CONV 3.6V SOT23-6
Manufacturer
Seiko Instruments
Type
Step-Up (Boost), Switched Capacitor (Charge Pump)r
Datasheet

Specifications of S-882136AMH-M2LTFG

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.6V
Current - Output
25mA
Frequency - Switching
1MHz
Voltage - Input
1.6 ~ 5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-6
Power - Output
300mW
Function
Step Up
Output Voltage
3.6 V
Output Current
25 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
10
VOLTAGE REGULATION STEP-UP CHARGE PUMP DC-DC CONVERTER
S-8821 Series
2. Step-up Charge Pump
transistors.
SW4 to ON (charge cycle). Following charging the electricity, in order to discharge the charged
electricity to the output capacitance (C
and SW4 to OFF (discharge cycle).
discharge cycle.
The step-up charge pump steps up the voltage by switching ON/OFF of the SW1 to SW4 switching
First, in order to charge the pump capacitance (C
The input voltage can be stepped up to a constant voltage value by repeating this charge cycle and
Figure 8 shows the charge cycle, and Figure 9 shows the discharge cycle.
V
IN
Current flow
Seiko Instruments Inc.
V
OUT
IN
SW 4: OFF
SW 2: OFF
SW 4: ON
SW 2: ON
), SW1 set the switches as to ON, SW2 to OFF, SW3 to ON,
C
0.10 μF
PUMP
Figure 8
Figure 9
PUMP
), set SW1 to OFF, SW2 to ON, SW3 to OFF, and
C
0.10 μF
PUMP
SW 3: OFF
SW 1: OFF
Current flow
SW 1: ON
SW 3: ON
C
10 μF
C
10 μF
OUT
OUT
Rev.5.0
_00

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