Datasheet > UPS1604

UPS1604

更新时间： 2022-09-15 11:00:28

品牌	Logo	应用领域
友顺 - UTC		开关电源开关
页数	文件大小	规格书
12页	640K
描述
HIGH PERFORMANCE CURRENT MODE POWER SWITCH

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数据手册

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UPS1604 数据手册

UPS1604

LINEAR INTEGRATED CIRCUIT

ABSOLUTE MAXIMUM RATINGS (Ta＝25°C, unless otherwise specified)

PARAMETER

SYMBOL

V_CC

RATINGS

UNIT

Supply Voltage

Input Voltage to FB Pin

Input Voltage to CS Pin

Junction Temperature

Operating Temperature

Storage Temperature

V_FB

-0.3 ~ 6.2

-0.3 ~ 2.8

+150

V_CS

T_J

°C

T_OPR

T_STG

-40 ~ +125

-50 ~ +150

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

V_CC

RATINGS

8.6 ~ 22

UNIT

Supply Voltage

ELECTRICAL CHARACTERISTICS (Ta＝25°C, V_CC=15V, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

SUPPLY SECTION

Start Up Current

I_STR

I_OFF

I_ON

V_CC= V_CC(ON)-0.1V

V_SS= 0, I_FB= 0

μA

Supply Current with switch

V_SS= 4.8V, I_FB= 0

UNDER-VOLTAGE LOCKOUT SECTION

Start Threshold Voltage

Min. Operating Voltage

Hysteresis

V_THD(ON)

V_CC(MIN)

V_CC(HY)

13.5

7.5

14.2

8.2

INTERNAL VOLTAGE REFERENCE

Reference Voltage

V_REF

measured at pin V_FB

6.3

0.5

6.5

6.7

4.4

CONTROL SECTION

V_MIN

V_MAX

V_FBOperating Level

Burst-Mode Out FB Voltage

V_FB(OUT)

V_FB(END)

V_FB(IN)

V_CS=0

1.7

1.6

1.5

Reduce-Frequency end FB Voltage

Burst-Mode Enter FB Voltage

V_CS=0

Normal

Switch Frequency

V_FB= 4V

kHz

F_(SW)

Power-Saving

Before enter burst mode

V_FB=4.4V, V_CS=0

V_FB<0.5V

D_MAX

D_MIN

F_J(SW)

F_DV

Duty Cycle

Frequency Hopping

±1.5

±3

±4.5

kHz

Frequency Variation VS V_CCDeviation

Frequency Variation VS Temperature

Deviation

V_CC=10 to 20V

T=-40 to 105°C

F_DT

Feedback Resistor

R_FB

T_SS

V_FB=0V

kΩ

Soft-Start Time

C_SS=0.47μF

9.9

11.2

12.6

PROTECTION SECTION

V_OVP1

V_OVP2

V_SS<3.5V,V_FB>5V

V_SS=4.8V, V_FB=3V

V_CS=0, SS-PIN OPEN

C_SS=0.47μF

OVP threshold

OLP threshold

V_FB(OLP)

T_D-OLP

4.7

4.9

5.1

Delay Time Of OLP

OTP threshold

°C

T_(THR)

120

3.9

5.1

135

4.1

5.4

150

4.3

5.7

OVP Disable threshold

OLP Enable threshold

V_{SS (DEACT)}

V_{SS (ACT)}

V_FB>5V, V_CC= 22V

V_FB>5V

UNISONIC TECHNOLOGIES CO., LTD

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QW-R119-017.C

www.unisonic.com.tw

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