S-882Z24-M5T1G Seiko Instruments, S-882Z24-M5T1G Datasheet - Page 12

• Manufacturer Part Number: S-882Z24-M5T1G
• Description: IC CHARGE PUMP CONV 2.1V SOT23-5
• Manufacturer: Seiko Instruments
• Type: Step-Up (Boost), Switched Capacitor (Charge Pump)r

Specifications of S-882Z24-M5T1G

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 2.1V
• Current - Output: 3mA
• Frequency - Switching: 350kHz
• Voltage - Input: 0.3 ~ 3 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Power - Output: 300mW
• Function: Step Up
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Primary Input Voltage: 3V
• No. Of Outputs: 1
• Output Voltage: 2.4V
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +85°C
• Operating Temperature Min: 85°C
• Operating Temperature Max: -40°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12
ULTRA-LOW VOLTAGE OPERATION CHARGE PUMP IC FOR STEP-UP DC-DC CONVERTER STARTUP
S-882Z Series
Example of Connection with Step-up DC-DC Converter
1. V
2. V
The following are the connection examples based on the set condition.
The symbols used in the connection diagram are described in Table 7 below.
OUT
OUT
SD2, R
≤ 3.0 V, C
≤ 3.0 V, C
V
V
C
C
Symbol
R
IN
IN
IN
IN
C
SD1
1
VDD
, R
OUT
2
VIN
VIN
L
L
≤ C
> C
CPOUT
CPOUT
A Schottky diode for preventing a voltage decline in the VDD pin due to output capacitor C
step-up DC-DC converter startup.
The power smoothing capacitor of the step-up DC-DC converter. Set the capacitance value so
that C
A Schottky diode and pull-down resistor to prevent the OUT pin voltage of the S-882Z Series
from exceeding the absolute maximum rated voltage.
Bleeder resistors to prevent the VM pin voltage of the S-882Z Series from exceeding the
absolute maximum rated voltage.
S-882Z Series
S-882Z Series
CPOUT
CPOUT
VSS
VSS
VDD
× 0.1, no load
× 0.1
≤ C
CPOUT
C
C
CPOUT
CPOUT
OUT
VM
OUT
VM
× 0.1.
Seiko Instruments Inc.
VIN
Figure 16
VIN
Figure 17
Table 7
C
Step-up DC-DC converter
Step-up DC-DC converter
VDD
Description
VSS
VSS
VDD
VDD
SD1
OUT
OUT
Rev.2.0
C
C
V
V
L
L
OUT
OUT
L
_00
at