Mounting Type  

Surface Mount

Package / Case  

16-SOIC (0.154, 3.90mm Width)

Surface Mount  

YES

Number of Pins  

16

Operating Temperature  

-40°C~85°C TA

Packaging  

Tube

Published  

2002

JESD-609 Code  

e0

Part Status  

Obsolete

Moisture Sensitivity Level (MSL)  

1 (Unlimited)

Number of Terminations  

16

ECCN Code  

EAR99

Terminal Finish  

Tin/Lead (Sn80Pb20)

Voltage - Supply  

3.8V~15V

Terminal Position  

DUAL

Terminal Form  

GULL WING

Peak Reflow Temperature (Cel)  

240

Time@Peak Reflow Temperature-Max (s)  

30

Base Part Number  

CS51221

Function  

Step-Up/Step-Down

Number of Outputs  

1

Output Type  

Transistor Driver

Analog IC - Other Type  

SWITCHING CONTROLLER

Output Configuration  

Positive, Isolation Capable

Current - Output  

1A

Control Features  

Current Limit, Frequency Control, Ramp, Soft Start

Voltage - Output  

15V

Input Voltage (Min)  

4.7V

Topology  

Forward Converter

Control Mode  

VOLTAGE-MODE

Control Technique  

PULSE WIDTH MODULATION

Rise Time  

60ns

Synchronous Rectifier  

No

Fall Time (Typ)  

25 ns

Switcher Configuration  

SINGLE

Max Frequency  

1MHz

Max Duty Cycle  

90 %

Duty Cycle (Max)  

85%

Clock Sync  

Yes

Length  

9.9mm

Width  

3.9mm

RoHS Status  

Non-RoHS Compliant

Lead Free  

Contains Lead