ADP1882ARMZ-0.3-R7

更新时间： 2024-01-11 19:44:06

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
40页	1910K
描述
Synchronous Current-Mode with Constant On-Time,PWM Buck Controller

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ADP1882ARMZ-0.3-R7 数据手册

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ADP1882/ADP1883

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

OUTPUT DRIVER CHARACTERISTICS

High-Side Driver

Output Source Resistance

Output Sink Resistance

Rise Time²

I_SOURCE= 1.5 A, 100 ns, positive pulse (0 V to 5 V)

I_SINK= 1.5 A, 100 ns, negative pulse (5 V to 0 V)

BST − SW = 4.4 V, C_IN= 4.3 nF (see Figure 60)

BST − SW = 4.4 V, C_IN= 4.3 nF (see Figure 61)

3.5

0.8

t_{R, DRVH}

t_{F, DRVH}

Fall Time²

Low-Side Driver

Output Source Resistance

Output Sink Resistance

Rise Time²

I_SOURCE= 1.5 A, 100 ns, positive pulse (0 V to 5 V)

I_SINK= 1.5 A, 100 ns, negative pulse (5 V to 0 V)

V_DD= 5.0 V, C_IN= 4.3 nF (see Figure 61)

1.7

0.75

t_{R, DRVL}

t_{F, DRVL}

Fall Time²

V_DD= 5.0 V, C_IN= 4.3 nF (see Figure 60)

Propagation Delays

DRVL Fall to DRVH Rise²

DRVH Fall to DRVL Rise²

SW Leakage Current

Integrated Rectifier

Channel Impedance

PRECISION ENABLE THRESHOLD

Logic High Level

t_{TPDH, DRVH}

t_{TPDH, DRVL}

I_{SW, LEAK}

BST − SW = 4.4 V (see Figure 60)

BST − SW = 4.4 V (see Figure 61)

BST = 25 V, SW = 20 V, VDD = 5.5 V

μA

110

330

I_SINK= 10 mA

V_IN= 2.75 V to 20 V, V_DD= 2.75 V to 5.5 V

235

285

Enable Hysteresis

COMP VOLTAGE

COMP Clamp Low Voltage

V_COMP(LOW)

From disable state, release COMP/EN pin to enable

device; 2.75 V ≤ V_DD≤ 5.5 V

0.47

COMP Clamp High Voltage

COMP Zero Current Threshold

THERMAL SHUTDOWN

V_COMP(HIGH)

V_{COMP_ZCT}

T_TMSD

2.75 V ≤ V_DD≤ 5.5 V

2.55

0.95

Thermal Shutdown Threshold

Thermal Shutdown Hysteresis

Hiccup Current Limit Timing

Rising temperature

155

°C

¹The maximum specified values are with the closed loop measured at 10% to 90% time points (see Figure 60 and Figure 61), C_GATE= 4.3 nF, and the upper-side and lower-side

MOSFETs specified as Infineon BSC042N030MSG.

²Not automatic test equipment (ATE) tested.

Rev. 0 | Page 4 of 40

1 2 345 6 7...40

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