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參數(shù)資料
| 型號(hào)： | CS-2001D16 |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.4 A SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 139K |
| 代理商： | CS-2001D16 |
TECHNICAL FEA TURES
s Linear Regulator
5V ± 2% @ 100mA
s Switching Regulator
1.4A Peak Internal Switch
150 kHz Switching
Frequency
8V to 25V Operation
Undervoltage Lockout
s Smart Functions
Smartswitch
Switcher Shutdown
s Protection
Overvoltage (optional)
Overtemperature
Current Limit
50V Peak Transient
Capability
Automotive
1.4A Switching Regulator
and 5V, 100mA Linear Regulator
with
– CS-2001
RESET
VIGN
D1
D2
R2
D3
C1
C6
R3
Energy Reserve
Capacitor
Switcher Output
L1
Switcher
Program
Voltage
Amplifier
Compensation
C3
C4
C5
RBIAS
+5V
Switcher
Shutdown
RESET
Linear
Regulator
Capacitor
R4
Voltage Tripler
Capacitor for external
high side FET
Charge Pump
Capacitor
CS-2001
R1
Description
This part consists of a switching power supply with a 1.4A switching transistor, and a 5V
linear regulator. The part is designed for use in an airbag application. The energy reserve
voltage used to fire the squib driver in an airbag system is externally programmable. The
5V linear regulator supplies power to the airbag module’s logic circuitry. The IC’s
“Smartswitch” allows the linear regulator to normally run off of the battery voltage (VIGN).
This allows less power to be dissipated than a connection of the linear regulator to the
switcher output. In the event of a crash resulting in the loss of VIGN, the “Smartswitch”
switches the linear regulator to run off of the switching regulator. An on-chip voltage
tripler allows the use of external high side FET control.
www.cherry-semi.com
FEA TURE SHEET
A
Company
INTELLIGENCE AND POWER
RESET
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