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he ZCC66099 is a synchronous step-up converter with 0.65μA ultra low quiescent current. It is designed for products powered by alkaline battery, NiMH rechargeable battery, Li-Mn battery or rechargeable Li-Ion battery, for which high efficiency under light load condition is critical to achieve long battery life operation.
* L6 |9 X9 o. v1 U" k- `● Operating Input Voltage Range: 0.9V to 5.2V+ c9 i. `1 Z2 c( v
● Ultra Low Quiescent Current1 B' N4 B: `5 G5 @/ r4 S
0.6μA Ultra Low IQ into VOUT Pin
8 \9 _6 Z% Y- E. ~9 f3 o6 M0.05μA Ultra Low IQ into VIN Pin
0 j) I# M) \& V; u8 p● 1.2MHz Fixed Frequency Operation
x. \4 M( [3 Q● Adjustable Output Voltage from 2.5V to 5.2V
/ K# \ ~1 _; p9 s7 D- {● Fixed Output Voltage Versions Available5 p1 ?9 C. h* `. |- j0 V
step-up converter only consumes ● The ZCC66099 Power-Save Mode for Improved Efficiency at Low 0.65μA quiescent current under light load condition and can achieve up to 75% efficiency at 10μA load with fixed output voltage version. It can also support up to 300mA output current from 3.3V to 5V conversion, and achieve up to 93% efficiency at 200mA load.
0 ?4 [0 X' `5 J7 i1 g+ s7 K4 K5 x, h4 X' ROutput Power
5 o% T! T3 } r% d1 Z* C● Regulated Output Voltage in Down Mode
3 l9 P( P/ g% P/ n● True Disconnection During Shutdown; r) c, D H7 u1 R7 Y
● Up to 75% Efficiency at 10μA Load with Fixed6 U* l3 M2 U5 P7 F- y
Output Voltage Version The ZCC66099 also offers both down mode andpass-through operation for different applications. In down mode, the output voltage can still be regulated at! k g; {5 v8 n# j% A* q2 w) v
target value even when input voltage is higher than output voltage. In pass-through mode, the output0 y7 |1 S4 v9 W! X' V& @
●Up to 93% Efficiency from 10mA to 300mA Load
- K2 ^2 b/ O+ o r( h& _4 P1 p-40℃ ℃
; t! i5 F& E- R2 [4 Bto +85 Operating Ambient Temperature Range
& K( g2 u, t3 }. U4 O/ R● Available in Green WLCSP-1.22×0.83-6B and" O' d% ? ~8 k
The ZCC66099 supports true shutdown function when it is disabled, which disconnects the load from the input supply to reduce the current consumption. Memory LCD Bias Optical Heart Rate Monitor LED Bias Wearable Applications Low Power Wireless Applications Portable Products Battery Powered Systems The ZCC66099 offers both adjustable output voltage version and fixed output voltage versions.
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