Datasheet > AS1348-BTDT-3312

AS1348-BTDT-3312

更新时间： 2024-01-10 08:25:27

品牌	Logo	应用领域
艾迈斯 - AMSCO		转换器电池监控
页数	文件大小	规格书
16页	657K
描述
Dual Step-Down Converter with Battery Monitoring

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AS1348-BTDT-3312 数据手册

AS1346-49

Datasheet - Electrical Characteristics

6 Electrical Characteristics

PVIN = VDD = EN = 5V, unless otherwise noted. Typical values are at TA=25°C. All limits are guaranteed. The parameters with min and max

values are guaranteed with production tests or SQC (Statistical Quality Control) methods.

Table 4. Electrical Characteristics

Symbol

Parameter

Conditions

Min

-40

2.7

1.2

Typ

Max

+85

+125

5.5

Units

°C

Operating Temperature Range

Operating Junction Temperature Range

Input Voltage Range

VIN

VIN VOUT

VOUT

Output Voltage Range

(see Table 8 on page 15)

3.6

Quiescent Supply Current¹

2.8

AS1346, VOUT1 = 3.3V

AS1347

1200

500

1200

500

950

1200

0.1

μA

IOUT1

Output current 1

AS1348

AS1349

AS1346, VOUT2 = 1.8V

AS1347

IOUT2

Output current 2

AS1348

AS1349

ISHDN

Shutdown Current

Regulation

Output Voltage 1

Accuracy

AS1346, IOUT1 = 100mA

AS1346, IOUT2 = 100mA

3.234

1.764

3.3

3.366

1.836

VOUT1

VOUT2

Output Voltage 2

Accuracy

1.8

VIN = 4.5V to 5.5V, IOUT1 = 500mA,

VOUT1 = 3.3V, EN2 = 0V

Line Transient Response

Load Transient Response

mVpk

VIN = 5V, IOUT1 = 0 to 500mA, VOUT1

= 3.3V, EN2 = 0V

f_OSC

Oscillator frequency

Turn on time

1.8

2.2

MHz

tON

DC-DC Switches

ISW1

350

μs

SW1 Current Limit

SW2 Current Limit

AS1346

1.55

800

150

250

ISW2

AS1346

m

R_DSON1(P)

VDD = 5.0V, I_SW= 200mA

Pin-Pin Resistance for PMOS1

Pin-Pin Resistance for NMOS1

R_DSON1(N)

www.ams.com/DC-DC_Step-Down

Revision 1.10

4 - 16

1 2 345 6 7...16

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