參數(shù)資料
型號(hào)： TPS606B
英文描述： Optoelectronic
中文描述： 光電
文件頁(yè)數(shù)： 15/22頁(yè)
文件大小： 421K
代理商： TPS606B
TPS60100
REGULATED 3.3 V 200-mA LOW-NOISE
CHARGE PUMP DC/DC CONVERTER
SLVS213B – MAY 1999 – REVISED SEPTEMBER 1999
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
shutdown
Driving ENABLE low places the device in shutdown mode. This disables all switches, the oscillator, and control
logic. The device typically draws 0.05-
μ
A (1-
μ
A max) of supply current in this mode. Leakage current drawn from
the output is as low as 1
μ
A max. The device exits shutdown once ENABLE is set high level. The typical no-load
shutdown exit time is 10
μ
s. When the device is in shutdown, the load is isolated from the input and the output
is high impedance.
external clock signal
If the device shall operate at a user defined frequency, an external clock signal can be used. Therefore, SYNC
needs to be connected to IN and the external oscillator signal can drive 3V8. The maximum external frequency
is limited to 800 kHz. The switching frequency of the converter is half of the external oscillator frequency. It is
recommended to operate the charge pump in constant-frequency mode if an external clock signal is used so
that the output noise contains only well-defined frequency components.
IN
IN
C1+
C1–
ENABLE
PGND GND
OUT
OUT
FB
C2+
C2–
SYNC
SKIP COM 3V8
INPUT
1.8 V to 3.6 V
CIN
10
μ
F
OUTPUT
3.3 V 200 mA
CO = 22
μ
F
C2F
2.2
μ
F
C1F
2.2
μ
F
+
OFF/ON
TPS60100
+
External Clock
Figure 32. Typical Operating Circuit TPS60100 With External Synchronization
undervoltage lockout
The TPS60100 has an undervoltage lockout feature that deactivates the device and places it in shutdown mode
when the input voltage falls below 1.6 V.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS606-B 制造商:Toshiba America Electronic Components 功能描述:
TPS606C 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Optoelectronic
TPS606D 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Optoelectronic
TPS606-D 制造商:Toshiba America Electronic Components 功能描述:
TPS606LB 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:TAPE, CARD READERS PRINTER, TERMINAL OPTO-ELECTRONIC SWITCH
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