Datasheet > AAT1217_08

AAT1217_08

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		转换器升压转换器
页数	文件大小	规格书
13页	341K
描述
600mA, 1.2MHz, Micropower Synchronous Step-Up Converter

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AAT1217_08 数据手册

PRODUCT DATASHEET

AAT1217

SwitchReg^TM

600mA, 1.2MHz, Micropower Synchronous Step-Up Converter

Electrical Characteristics¹

V_IN= 1.2V, V_OUT= 3.3V, T_A= 25°C, unless otherwise noted.

Symbol Description

Conditions

Min

Typ

Max

Units

Minimum Start-Up Voltage

Minimum Operating Voltage

Output Voltage Range

I_OUT= 1mA

V_SHDN= V_IN

0.85

0.5

0.65

5.5

V_IN

2.5

-4

V_OUT

V_FB

I_OUT= 10mA; T_A= -40°C to

+85°C

T_A= -40°C to +85°C

V_IN= 1.2V to 2.4V, I_OUT= 10mA,

V_OUT= 3.3V

V_IN= 2.4V to 4.2V, I_OUT

10mA,V_OUT= 5.0V

Output Voltage Accuracy³

Reference Voltage

1.192

1.230

0.2

1.268

ΔV_OUT

V_OUT/ΔV_IN

Reference Voltage Line

Regulation

%/V

0.4

V_IN= 1.2V, I_OUT= 10mA to

100mA, V_OUT= 3.3V

V_IN= 3.6V, I_OUT= 10mA to

400mA, V_OUT= 5.0V

0.003

0.004

ΔV_OUT

Reference Voltage Load

%/mA

V_OUT/ΔI_OUTRegulation

Quiescent Current (Shutdown)

Quiescent Current (Active)

NMOS Switch Leakage

V_SHDN= 0

Measured on V_OUT, V_SHDN= V_IN

V_SW= 5V

0.01

300

0.1

500

I_Q

μA

I_LNMOS

I_LPMOS

μA

PMOS Switch Leakage

V_SW= 0V

0.1

NMOS Switch ON Resistance

V_OUT= 3.3V

V_OUT= 5V

V_OUT= 3.3V

V_OUT= 5V

0.35

0.30

0.60

0.55

1200

R_DS(ON)L

R_DS(ON)H

PMOS Switch ON Resistance

I_CL

Δt(I_CL)

NMOS Current Limit

Current Limit Delay to Output

750

D_MAX

F_OSC

V_SHDN

I_SHDN

T_SD

Maximum Duty Cycle

V_FB= 1.15V, T_A= -40°C to +85°C

T_A= -40°C to +85°C

MHz

Switching Frequency

SHDN Input Low

SHDN Input High

SHDN Input Current

0.9

1.2

1.5

0.35

1.00

V_SHDN= 5.5V

Hysteresis

0.01

160

μA

°C

Thermal Shutdown

1. Specifications over the temperature range are guaranteed by design, characterization, and correlation with statistical process controls.

2. Not including the current into internal resistance divider.

3. For fixed 3.3V and 5.0V output voltage version. The adjustable output voltage is guaranteed by reference voltage accuracy.

w w w . a n a l o g i c t e c h . c o m

1217.2008.03.1.3

1 2 345 6 7...13

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