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參數(shù)資料
| 型號： | SM6702-33HB |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | PFM Step-up DC/DC Converter |
| 中文描述： | PFM步升直流/直流轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 116K |
| 代理商： | SM6702-33HB |
SM6702 series
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
PFM Step-up DC/DC Converter
OVERVIEW
The SM6702 series are step-up DC/DC converter ICs, fabricated using NPC’s Molybdenum-gate CMOS pro-
cess. They incorporate reference voltage source, error amplifier, oscillator, start-up circuit, PFM (Pulse Fre-
quency Modulation) control circuit into a single chip. The only external components required are a Coil, Diode
and output smoothing capacitors to form a step-up DC/DC converter. They employ PFM voltage control cir-
cuits to achieve high efficiency, stable constant-voltage output.
FEATURES
I
Power dissipation : 24
Start-up input voltage : 0.9 V (max) at R
Output voltage : 2.2 V to 3.3 V, available in 0.1 Vstep
High efficiency : 85% at V
IN
Low ripple voltage
Package : SOT23-3, SOT89-3
μ
W at V
IN
= 1.5 V, V
OUT
= 3.0 V, I
OUT
= 100
μ
A
I
L
= 30 k
I
I
= 1.5 V, V
OUT
= 3.0 V, I
OUT
= 1 mA
I
I
APPLICATIONS
I
PDA, Mobile IT equipment
Digital Stil Camera
Pager
Constant-voltage sources for battery-operated equipment
Local voltage sources
I
I
I
I
ORDERING INFORMATION
Device
Output voltage
1
1. Stepwise setting with a step of 0.1V in the range of 2.2V to 3.3V is available.
Package
SM6702-33HB
3.3 V
SOT89-3
SM6702-30HA
3.0 V
SOT23-3
SM6702-30HB
3.0 V
SOT89-3
SM6702-27HA
2.7 V
SOT23-3
SM6702-27HB
2.7 V
SOT89-3
SM6702-24HA
2.4 V
SOT23-3
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